media: don't do a 31 bit shift on a signed int

On 32-bits archs, a signed integer has 31 bits plus on extra
bit for signal. Due to that, touching the 32th bit with something
like:

	int bar = 1 << 31;

has an undefined behavior in C on 32 bit architectures, as it
touches the signal bit. This is warned by cppcheck.

Instead, force the numbers to be unsigned, in order to solve this
issue.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/mx2_emmaprp.c

@@ -120,7 +120,7 @@ module_param(debug, bool, 0644);
 #define PRP_CNTL_RZ_FIFO_LEVEL(x)       ((x) << 27)
 #define PRP_CNTL_CH2B1EN        (1 << 29)
 #define PRP_CNTL_CH2B2EN        (1 << 30)
-#define PRP_CNTL_CH2FEN         (1 << 31)
+#define PRP_CNTL_CH2FEN         (1UL << 31)
 
 #define PRP_SIZE_HEIGHT(x)	(x)
 #define PRP_SIZE_WIDTH(x)	((x) << 16)