mb/*/*/romstage: curly braces after the function definition

See Documentation/coding_style.md, specifically "Placing Braces and
Spaces" section.

Change-Id: Ia6a2f3d3547c16500996260b0ece9ec693f00113
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31268
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/mainboard/google/butterfly/romstage.c b/src/mainboard/google/butterfly/romstage.c
index bfee526..0166997 100644
--- a/src/mainboard/google/butterfly/romstage.c
+++ b/src/mainboard/google/butterfly/romstage.c
@@ -116,12 +116,14 @@
 	{ 0, 0, -1 }, /* P13: Empty */
 };
 
-void mainboard_get_spd(spd_raw_data *spd, bool id_only) {
+void mainboard_get_spd(spd_raw_data *spd, bool id_only)
+{
 	read_spd(&spd[0], 0x50, id_only);
 	read_spd(&spd[2], 0x52, id_only);
 }
 
-void mainboard_early_init(int s3resume) {
+void mainboard_early_init(int s3resume)
+{
 }
 
 void mainboard_config_superio(void)