watchdog: rt2880-wdt: prefer unsigned int over unsigned

Instead of declare 'reg' variable in read and write operations as a bare
'unsigned' type prefer to declate it as 'unsigned int'.

Signed-off-by: Sergio Paracuellos <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>
Signed-off-by: Wim Van Sebroeck <[e-mail]>

drivers/watchdog/rt2880_wdt.c

···
 		"Watchdog cannot be stopped once started (default="
 		__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
-static inline void rt_wdt_w32(void __iomem *base, unsigned reg, u32 val)
+static inline void rt_wdt_w32(void __iomem *base, unsigned int reg, u32 val)
 {
 	iowrite32(val, base + reg);
 }
 
-static inline u32 rt_wdt_r32(void __iomem *base, unsigned reg)
+static inline u32 rt_wdt_r32(void __iomem *base, unsigned int reg)
 {
 	return ioread32(base + reg);
 }