m68k/mvme136: Fix warnings
libbsp/shared/dummy_printk_support.c: Fix warning
sparc/leon2: Fix warnings
i386/pc386: Clean up and fix  warnings
powerpc/mvme3100/startup/misc.c: Fix warnings
powerpc/mvme5500: Fix warnings
m68k/uC5282: Fix warnings
gen68302/clock/ckinit.c: Fix warnings
gen68340/clock/ckinit.c: Fix warnings
idp/clock/ckinit.c: Fix warnings
mvme147/clock/ckinit.c: Fix warnings
mvme162/clock/ckinit.c: Fix warnings
mvme167/clock/ckinit.c: Fix warnings
ods68302/clock/ckinit.c: Fix warnings
sim68000/clock/clockdrv.c: Fix warnings
powerpc/haleakala: Fix warnings
powerpc/shared/console: Fix warnings
powerpc/tqm8xx: Fix warnings
lm32/lm32_evr/include/bsp.h: Fix warnings
lm32/shared/milkymist_clock/ckinit.c: Fix warnings