flash/nor: Add PSoC 5LP flash driver

Always probe for ECC mode and display ECC sectors if disabled.
Non-ECC write is implemented as zeroing the ECC/config bytes.
Erasing ECC sectors is ignored, erase-checking takes them into account.

Tested with CY8CKIT-059 (CY8C5888), except ECC mode.

Change-Id: If63b9ffca7ad8de038be3c086c49712b629ec554
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Signed-off-by: Forest Crossman <cyrozap@gmail.com>
Reviewed-on: http://openocd.zylin.com/3432
Tested-by: jenkins

src/flash/nor/Makefile.am

@@ -43,6 +43,7 @@ NOR_DRIVERS = \
 	%D%/ocl.c \
 	%D%/pic32mx.c \
 	%D%/psoc4.c \
+	%D%/psoc5lp.c \
 	%D%/psoc6.c \
 	%D%/sim3x.c \
 	%D%/spi.c \