ARM: 7184/1: fix $(CROSS_COMPILE) prefix missing from size invocation
Otherwise, cross compilation may fail with error messages like:
...
size: arch/arm/boot/compressed/../../../../vmlinux: File format is ambiguous
size: Matching formats: elf32-littlearm elf32-littlearm-symbian elf32-littlearm-vxworks
LD arch/arm/boot/compressed/vmlinux
arm-angstrom-linux-uclibcgnueabi-ld:--defsym _kernel_bss_size=: syntax error
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>