Ignore __param section references; they aren't discarded.

Error: ./drivers/mtd/devices/phram.o __param refers to 0000000000000010 R_X86_64_64       .init.text+0x0000000000000013
Error: ./drivers/scsi/dc395x.o __param refers to 0000000000000020 R_X86_64_64       .init.data+0x0000000000000064
Error: ./drivers/usb/gadget/ether.o __param refers to 0000000000000048 R_X86_64_64       .init.data+0x0000000000000020

Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>