staging: rtl8723bs: hal: sdio_halinit: fix spaces preferred around that unary operator

This patch fixes below issues reported by checkpatch

CHECK: spaces preferred around that '+' (ctx:VxV)
CHECK: spaces preferred around that '<<' (ctx:VxV)
CHECK: spaces preferred around that '|' (ctx:VxV)

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
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changes in v2:  Send proper patch without corruption
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>