mtd: gpmi-lib: Make checkpatch happy

Fix the following checkpatch warnings:

WARNING: line over 80 characters
#268: FILE: mtd/nand/gpmi-nand/gpmi-lib.c:268:
+	* consecutive reboots. The latter case has not been seen on the MX23 yet,

WARNING: space prohibited before semicolon
#356: FILE: mtd/nand/gpmi-nand/gpmi-lib.c:356:
+		(target.tRHOH_in_ns >= 0) ;

WARNING: space prohibited before semicolon
#1006: FILE: mtd/nand/gpmi-nand/gpmi-lib.c:1006:
+		BF_GPMI_TIMING0_DATA_SETUP(hw.data_setup_in_cycles)       ;

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>