[ELF][ARM] Increase default max-page-size from 4096 to 6536
For the record, GNU ld changed to 64k max page size in 2014
"[RFC] ld/ARM: Increase maximum page size to 64kB"
A binary linked with max-page-size=4096 does not run on a system with a
higher page size configured. There are some systems out there that do
this and it leads to the binary getting Killed! by the kernel.
In the non-linker-script cases, when linked with -z noseparate-code
(default), the max-page-size increase should not cause any size
difference. There may be some VMA usage differences, though.
Reviewed By: psmith, MaskRay
Differential Revision: https://reviews.llvm.org/D77330