David Brownell <david-b@pacbell.net> whitespace fixes.

src/target/arm720t.c

src/target/arm7_9_common.c

src/target/arm7_9_common.h

src/target/arm7tdmi.c

src/target/arm920t.c

src/target/arm926ejs.c

src/target/arm9tdmi.c

src/target/armv4_5.c

src/target/armv4_5.h

src/target/armv4_5_cache.c

src/target/armv4_5_mmu.c