Extend definition of PSR and CPU CONTROL registers.
Remove duplicates definitions of interrupts bits.
While i'm in, remove trailing whitespaces.

 Changes to be committed:
	modified:   sys/arm/arm/cpufunc_asm_sheeva.S
	modified:   sys/arm/arm/cpufunc_asm_xscale.S
	modified:   sys/arm/arm/cpufunc_asm_xscale_c3.S
	modified:   sys/arm/arm/exception.S
	modified:   sys/arm/arm/fiq.c
	modified:   sys/arm/arm/locore.S
	modified:   sys/arm/arm/machdep.c
	modified:   sys/arm/arm/mp_machdep.c
	modified:   sys/arm/arm/trap.c
	modified:   sys/arm/arm/undefined.c
	modified:   sys/arm/arm/vm_machdep.c
	modified:   sys/arm/at91/at91.c
	modified:   sys/arm/at91/at91_aic.c
	modified:   sys/arm/cavium/cns11xx/econa.c
	modified:   sys/arm/include/armreg.h
	modified:   sys/arm/include/asm.h
	modified:   sys/arm/include/atomic.h
	modified:   sys/arm/s3c2xx0/s3c24x0.c
	modified:   sys/arm/xscale/i80321/i80321_intr.h
	modified:   sys/arm/xscale/i80321/i80321_timer.c
	modified:   sys/arm/xscale/i80321/iq80321.c
	modified:   sys/arm/xscale/i8134x/i81342.c
	modified:   sys/arm/xscale/ixp425/ixp425.c
	modified:   sys/arm/xscale/ixp425/ixp425_pci.c
	modified:   sys/arm/xscale/ixp425/ixp425_timer.c
	modified:   sys/arm/xscale/pxa/pxa_icu.c
	modified:   sys/arm/xscale/pxa/pxa_timer.c
	modified:   usr.bin/truss/arm-fbsd.c