Staging:android ram_console Fix section mismatch

WARNING: drivers/staging/android/built-in.o(.text+0x7994): Section mismatch in reference from the function ram_console_driver_probe() to the (unknown reference) .init.data:(unknown)
The function ram_console_driver_probe() references
the (unknown reference) __initdata (unknown).
This is often because ram_console_driver_probe lacks a __initdata
annotation or the annotation of (unknown) is wrong.