eeepc: depends on RFKILL

eeepc: depends on RFKILL

EEEPC_LAPTOP uses RFKILL, so the former should depend on RFKILL.
Build errors happen when EEEPC_LAPTOP=y and RFKILL=m.

eeepc-laptop.c:(.text+0xd5a7b): undefined reference to `rfkill_allocate'
eeepc-laptop.c:(.text+0xd5b04): undefined reference to `rfkill_register'
eeepc-laptop.c:(.text+0xd5b48): undefined reference to `rfkill_allocate'
eeepc-laptop.c:(.text+0xd5bd4): undefined reference to `rfkill_register'
eeepc-laptop.c:(.text+0xd5ece): undefined reference to `rfkill_unregister'
eeepc-laptop.c:(.text+0xd5ef6): undefined reference to `rfkill_unregister'
make[1]: *** [.tmp_vmlinux1] Error 1

Signed-off-by: Randy Dunlap <[email protected]>
Cc: Corentin Chary <[email protected]>
Cc: Matthew Garrett <[email protected]>
Cc: Henrique de Moraes Holschuh <[email protected]>
Cc: Karol Kozimor <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>