sb/intel/bd82x6x: Remove space in function definition

Just a small change to follow the code style.

Change-Id: Ie838b82e12627478ea721f426efc4d557feb6ae3
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49166
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/southbridge/intel/bd82x6x/early_thermal.c

@@ -16,7 +16,7 @@ static void write16p(uintptr_t addr, uint32_t val)
 	write16((u16 *)addr, val);
 }
 
-static uint16_t read16p (uintptr_t addr)
+static uint16_t read16p(uintptr_t addr)
 {
 	return read16((u16 *)addr);
 }