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As well as the interrupt vectors and initialization code, head.S
contains several asm functions which are used during runtime.  This
patch moves these to misc.S, a more sensible location for random asm
support code.  A couple The functions moved are:
	disable_kernel_fp
	giveup_fpu
	disable_kernel_altivec
	giveup_altivec
	__setup_cpu_power3	(empty function)
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>