powerpc/bootwrapper: add fixed-head.o to simpleimage wrappers
powerpc/bootwrapper: add fixed-head.o to simpleimage wrappers

fixed-head.o must be linked into the bootwrapper for raw-binary images to
work.  This patch adds it into the bootwrapper.

Signed-off-by: Grant Likely <9069e6f5a2b566e2674a0ba1e2bf39c12c195fad@secretlab.ca>
Reported-by: Eddie Dawydiuk <bacc1c505cb1756c59242c0a8ee25cd990a210e9@embeddedarm.com>
Acked-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

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