staging: gs_fpgaboot Fix trailing whitespace.

Fix checkpatch.pl issues with trailing
whitespace in README.
Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/gs_fpgaboot/README

@@ -32,7 +32,6 @@ TABLE OF CONTENTS.
 	- platform independent file: gs_fpgaboot.c
 	- platform dependent file: io.c
 
-
 4. HOW TO USE
 
 	$ insmod gs_fpga.ko file="xlinx_fpga_top_bitstream.bit"