flash: nor: use 'ULL' suffix for long constants

On 32 bit hosts, gcc should consider constants without suffix as
32 bits values. Adding a cast to convert it to 64 bits should not
be enough.

Use the suffix 'ULL' to guarantee it is a 64 bit.

Detected through 'sparse' tool.

Change-Id: If6be35bd3cbbc7c3a83e0da1407e611f07ff6e06
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7593
Tested-by: jenkins

src/flash/nor/atsame5.c

@@ -93,7 +93,7 @@
 #define SAMD_GET_DEVSEL(id) (id & 0xFF)
 
 /* Bits to mask user row */
-#define NVMUSERROW_SAM_E5_D5_MASK	((uint64_t)0x7FFF00FF3C007FFF)
+#define NVMUSERROW_SAM_E5_D5_MASK	0x7FFF00FF3C007FFFULL
 
 struct samd_part {
 	uint8_t id;