asm-generic: make parameter types consistent in _unaligned_be48()

There is a convention to use internal kernel types, so replace __u8 by u8.

Link: https://lkml.kernel.org/r/20220830172713.43686-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

include/asm-generic/unaligned.h

@@ -126,7 +126,7 @@ static inline void put_unaligned_le24(const u32 val, void *p)
 	__put_unaligned_le24(val, p);
 }
 
-static inline void __put_unaligned_be48(const u64 val, __u8 *p)
+static inline void __put_unaligned_be48(const u64 val, u8 *p)
 {
 	*p++ = val >> 40;
 	*p++ = val >> 32;