the fixed warnings are:

	arch/arm/mach-netx/xc.c: In function ‘xc_request_firmware’:
	arch/arm/mach-netx/xc.c:152: warning: assignment discards qualifiers from pointer target type
	arch/arm/mach-netx/xc.c:162: warning: assignment discards qualifiers from pointer target type
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>