build error of v2.6.34-rc6

[Eric Miao]

Seems to be a regression introduced since v2.6.34-rc5, the latter I was
able to build without the error below:

/home/ycmiao/linux-2.6/arch/arm/kernel/entry-armv.S: Assembler messages:
/home/ycmiao/linux-2.6/arch/arm/kernel/entry-armv.S:442: Error: symbol
ret_from_exception is in a different section
/home/ycmiao/linux-2.6/arch/arm/kernel/entry-armv.S:490: Error: symbol
ret_from_exception is in a different section
/home/ycmiao/linux-2.6/arch/arm/kernel/entry-armv.S:491: Error: symbol
__und_usr_unknown is in a different section
make[2]: *** [arch/arm/kernel/entry-armv.o] Error 1
make[2]: *** Waiting for unfinished jobs....