consolidate patch 651-rt2x00-remove-unneccesary-code.patch.
fixup the most obvious whitespace problems in RXIQ and TX-LOFT code.
always backup registers bbpr1, bbpr4, bbpr241 and bbpr242 to avoid
compiler warning about them being potentially uninitialized.
no functional changes (intended)
Signed-off-by: Daniel Golle <daniel@makrotopia.org>