Fix a typo (__PMSIZE was written as __PMSIZE_) and add section alignment
for DATA and BSS.
ld/ChangeLog:
* scripttempl/ft32.sc (__PMSIZE): Correct __PMSIZE_.
(DATA): add ALIGN.
(BSS): add ALIGN
* scripttempl/ft32.sc (__PMSIZE_): If not defined, set to 256K.
(__RAMSIZE): If not defined, set to 64K.
(MEMORY): Set the flash region size to __PMSIZE and the ram region
size to __RAMSIZE.
* scripttempl/ft32.sc: Use fixed constants for memory region
lengths. Include DWARF debug sections.
(.data .bss): Do not assign locations during relocatable links.
* testsuite/ld-elf/compressed1d.d: Skip for FT32.
* testsuite/ld-elf/sec-to-seg.exp: Likewise.
* testsuite/ld-elf/sec64k.exp: Likewise.
* testsuite/ld-elf/init-fini-array.d: XFail for FT32.
* testsuite/ld-elf/merge.d: Likewise.
* testsuite/ld-elf/orphan-region.d: Likewise.
* testsuite/ld-elf/orphan.s: Likewise.
* testsuite/ld-elf/orphan3.d: Likewise.
* testsuite/ld-elf/pr349.d: Likewise.
* testsuite/ld-elf/warn2.d: Likewise.
* testsuite/lib/ld-lib.exp (check_shared_lib_support): Note
that the FT32 does not support shared libraries.