Pull up following revision(s) (requested by uwe in ticket #863):

sys/arch/macppc/stand/fixcoff/elf32_powerpc_merge.x: revision 1.6,1.7 (patch)

PR port-macppc/52564

  . = (. + 0x0FFF) & 0xFFFFF000;

now seems to cause binutils to pad the preceding section, and when
that happens to be .text the powermac ofw is unhappy for whatever
reason.

For now provide .pad section that absorbs the padding as a workaround.
The binutils problem still needs to be looked into.

(martin)