zram: added compiler flags so that zram activates properly
smba1002: added google's snappy compression for zram. adds a nice io boost

Conflicts:
	arch/arm/configs/x3_old_defconfig
smba1002: added google's snappy compression for zram. adds a nice io boost
bcma: fix unregistration of cores

commit 1fffa905adffbf0d3767fc978ef09afb830275eb upstream.

When cores are unregistered, entries
need to be removed from cores list in a safe manner.

Reported-by: Stanislaw Gruszka <sgruszka@redhat.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>