[POWERPC] Define copy_siginfo_from_user32
[POWERPC] Define copy_siginfo_from_user32

Define the copy_siginfo_from_user32 entry point for powerpc, so
that generic CONFIG_COMPAT code can call it.  We already had the
code rolled into compat_sys_rt_sigqueueinfo, this just moves it
out into the canonical function that other arch's define.

Signed-off-by: Roland McGrath <0d270388f2f92757a5de0f4bd891d3b392c44c4f@redhat.com>
Signed-off-by: Paul Mackerras <19a0ba370c443ba08d20b5061586430ab449ee8c@samba.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas