Add pinguino-debug.ld for PIC32MX boards to fix build break under
PINGUINO gcc toolchain. All pinguino-debug.ld copy from the original
mips debug/release ld scripts.
Change-Id: Ie47a2523470cc9996d007bc4afbf9cb40e51ae5b
Signed-off-by: liuhaitao <liuhaitao@xiaomi.com>
