qemu-armv7: Trivial style fixes

Minor style fixes to avoid future bikeshedding.
- Opening brace for functions go on their own lines.
- use fixed-length types where appropriate.

BUG=none
BRANCH=none
TEST=it compiles
Signed-off-by: David Hendricks <dhendrix@chromium.org>

Original-Change-Id: If9855d32c8ed1f5977937806c8c4cce65dd7d450
Original-Reviewed-on: https://chromium-review.googlesource.com/196955
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Original-Commit-Queue: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: Hung-Te Lin <hungte@chromium.org>
(cherry picked from commit e2bfeed18636af6b532e2e8f118de22a658fe41b)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Conflicts:
	src/mainboard/emulation/qemu-armv7/uart.c

Change-Id: I8e09db53534802262168e65ec4cd47b96386490a
Reviewed-on: http://review.coreboot.org/7867
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/mainboard/emulation/qemu-armv7/timer.c

@@ -14,11 +14,13 @@
  */
 
 void udelay(unsigned int n);
-void udelay(unsigned int n) {
+void udelay(unsigned int n)
+{
 	/* TODO provide delay here. */
 }
 
 int init_timer(void);
-int init_timer(void) {
+int init_timer(void)
+{
 	return 0;
 }