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.com
Signed-off-by: Mark Brown <broonie@kernel.org>
        unsigned                ns,
        struct spi_transfer     *t,
        unsigned flags
-) {
+)
+{
        unsigned                bits = t->bits_per_word;
        unsigned                count = t->len;
        const u8                *tx = t->tx_buf;
        unsigned                ns,
        struct spi_transfer     *t,
        unsigned flags
-) {
+)
+{
        unsigned                bits = t->bits_per_word;
        unsigned                count = t->len;
        const u16               *tx = t->tx_buf;
        unsigned                ns,
        struct spi_transfer     *t,
        unsigned flags
-) {
+)
+{
        unsigned                bits = t->bits_per_word;
        unsigned                count = t->len;
        const u32               *tx = t->tx_buf;