[clang][AVR] Add more devices

[benshi001]

Summary

AVR.cpp should be kept up-to-date with AVRDevices.td

[benshi001]

ping

[dylanmckay]

Approved, thanks!

clang/lib/Basic/Targets/AVR.cpp

static MCUInfo AVRMcus[] = {
     {"attiny44a", "__AVR_ATtiny44A__"},
     {"attiny84", "__AVR_ATtiny84__"},
     {"attiny84a", "__AVR_ATtiny84A__"},
     {"attiny25", "__AVR_ATtiny25__"},
     {"attiny45", "__AVR_ATtiny45__"},
     {"attiny85", "__AVR_ATtiny85__"},
     {"attiny261", "__AVR_ATtiny261__"},
     {"attiny261a", "__AVR_ATtiny261A__"},
+    {"attiny441", "__AVR_ATtiny441__"},
     {"attiny461", "__AVR_ATtiny461__"},
     {"attiny461a", "__AVR_ATtiny461A__"},
+    {"attiny841", "__AVR_ATtiny841__"},
     {"attiny861", "__AVR_ATtiny861__"},
     {"attiny861a", "__AVR_ATtiny861A__"},
     {"attiny87", "__AVR_ATtiny87__"},
     {"attiny43u", "__AVR_ATtiny43U__"},
     {"attiny48", "__AVR_ATtiny48__"},
     {"attiny88", "__AVR_ATtiny88__"},
     {"attiny828", "__AVR_ATtiny828__"},
     {"at43usb355", "__AVR_AT43USB355__"},
static MCUInfo AVRMcus[] = {
     {"atmega8", "__AVR_ATmega8__"},
     {"ata6289", "__AVR_ATA6289__"},
     {"atmega8a", "__AVR_ATmega8A__"},
     {"ata6285", "__AVR_ATA6285__"},
     {"ata6286", "__AVR_ATA6286__"},
     {"atmega48", "__AVR_ATmega48__"},
     {"atmega48a", "__AVR_ATmega48A__"},
     {"atmega48pa", "__AVR_ATmega48PA__"},
+    {"atmega48pb", "__AVR_ATmega48PB__"},
     {"atmega48p", "__AVR_ATmega48P__"},
     {"atmega88", "__AVR_ATmega88__"},
     {"atmega88a", "__AVR_ATmega88A__"},
     {"atmega88p", "__AVR_ATmega88P__"},
     {"atmega88pa", "__AVR_ATmega88PA__"},
+    {"atmega88pb", "__AVR_ATmega88PB__"},
     {"atmega8515", "__AVR_ATmega8515__"},
     {"atmega8535", "__AVR_ATmega8535__"},
     {"atmega8hva", "__AVR_ATmega8HVA__"},
     {"at90pwm1", "__AVR_AT90PWM1__"},
     {"at90pwm2", "__AVR_AT90PWM2__"},
     {"at90pwm2b", "__AVR_AT90PWM2B__"},
     {"at90pwm3", "__AVR_AT90PWM3__"},
     {"at90pwm3b", "__AVR_AT90PWM3B__"},
static MCUInfo AVRMcus[] = {
     {"atmega165", "__AVR_ATmega165__"},
     {"atmega165a", "__AVR_ATmega165A__"},
     {"atmega165p", "__AVR_ATmega165P__"},
     {"atmega165pa", "__AVR_ATmega165PA__"},
     {"atmega168", "__AVR_ATmega168__"},
     {"atmega168a", "__AVR_ATmega168A__"},
     {"atmega168p", "__AVR_ATmega168P__"},
     {"atmega168pa", "__AVR_ATmega168PA__"},
+    {"atmega168pb", "__AVR_ATmega168PB__"},
     {"atmega169", "__AVR_ATmega169__"},
     {"atmega169a", "__AVR_ATmega169A__"},
     {"atmega169p", "__AVR_ATmega169P__"},
     {"atmega169pa", "__AVR_ATmega169PA__"},
     {"atmega32", "__AVR_ATmega32__"},
     {"atmega32a", "__AVR_ATmega32A__"},
     {"atmega323", "__AVR_ATmega323__"},
     {"atmega324a", "__AVR_ATmega324A__"},
     {"atmega324p", "__AVR_ATmega324P__"},
     {"atmega324pa", "__AVR_ATmega324PA__"},
+    {"atmega324pb", "__AVR_ATmega324PB__"},
     {"atmega325", "__AVR_ATmega325__"},
     {"atmega325a", "__AVR_ATmega325A__"},
     {"atmega325p", "__AVR_ATmega325P__"},
     {"atmega325pa", "__AVR_ATmega325PA__"},
     {"atmega3250", "__AVR_ATmega3250__"},
     {"atmega3250a", "__AVR_ATmega3250A__"},
     {"atmega3250p", "__AVR_ATmega3250P__"},
     {"atmega3250pa", "__AVR_ATmega3250PA__"},
     {"atmega328", "__AVR_ATmega328__"},
     {"atmega328p", "__AVR_ATmega328P__"},
+    {"atmega328pb", "__AVR_ATmega328PB__"},
     {"atmega329", "__AVR_ATmega329__"},
     {"atmega329a", "__AVR_ATmega329A__"},
     {"atmega329p", "__AVR_ATmega329P__"},
     {"atmega329pa", "__AVR_ATmega329PA__"},
     {"atmega3290", "__AVR_ATmega3290__"},
     {"atmega3290a", "__AVR_ATmega3290A__"},
     {"atmega3290p", "__AVR_ATmega3290P__"},
     {"atmega3290pa", "__AVR_ATmega3290PA__"},