Move RT3290 BBP initialization sequence (part) to the right place in the code.

This is just a code style change, no functional changes.
Signed-off-by: NGertjan van Wingerde <gwingerde@gmail.com>
Acked-by: NIvo van Doorn <IvDoorn@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>