mb/google/butterfly: Put braces around `else` branch

Ensure braces are consistent on all branches of a conditional statement,
as per the coding style.

Tested with BUILD_TIMELESS=1, Google Butterfly remains identical.

Change-Id: I34f3b22486e0f0712bc248477acb43012b21c5ee
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57163
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/mainboard/google/butterfly/mainboard.c

@@ -150,8 +150,9 @@ static void program_keyboard_type(u32 search_address, u32 search_length)
 			if (offset != search_length)
 				kbd_type = EC_KBD_JP;
 		}
-	} else
+	} else {
 		printk(BIOS_DEBUG, "Error: Could not locate VPD area\n");
+	}
 
 	printk(BIOS_DEBUG, "Setting Keyboard type in EC to ");
 	printk(BIOS_DEBUG, (kbd_type == EC_KBD_JP) ? "Japanese" : "English");