spi: spi-bitbang: Fix open brace following function definitions go on the next line

Fix checkpatch errors:

  ERROR: open brace '{' following function definitions go on the next line
  #54: FILE: spi-bitbang.c:54:
  ERROR: open brace '{' following function definitions go on the next line
  #82: FILE: spi-bitbang.c:82:
  ERROR: open brace '{' following function definitions go on the next line
  #110: FILE: spi-bitbang.c:110:
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Link: https://lore.kernel.org/r/1616566602-13894-8-git-send-email-f.fangjian@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-bitbang.c

@@ -60,7 +60,8 @@ static unsigned bitbang_txrx_8(
 	unsigned		ns,
 	struct spi_transfer	*t,
 	unsigned flags
-) {
+)
+{
 	unsigned		bits = t->bits_per_word;
 	unsigned		count = t->len;
 	const u8		*tx = t->tx_buf;
@@ -88,7 +89,8 @@ static unsigned bitbang_txrx_16(
 	unsigned		ns,
 	struct spi_transfer	*t,
 	unsigned flags
-) {
+)
+{
 	unsigned		bits = t->bits_per_word;
 	unsigned		count = t->len;
 	const u16		*tx = t->tx_buf;
@@ -116,7 +118,8 @@ static unsigned bitbang_txrx_32(
 	unsigned		ns,
 	struct spi_transfer	*t,
 	unsigned flags
-) {
+)
+{
 	unsigned		bits = t->bits_per_word;
 	unsigned		count = t->len;
 	const u32		*tx = t->tx_buf;