ARM: tam3517-common: fix nand spl boot

commit f9095aac793aa8917ab9b915c5d449e6dc8d3d30, "mtd: nand:
omap: add CONFIG_NAND_OMAP_ECCSCHEME for selection of ecc-scheme"
removed CONFIG_SPL_NAND_SOFTECC from the tam3517 common config,
causing the spl nand boot to fail. Add it back, so derived
boards boot again.

Cc: Pekon Gupta <pekon@ti.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Raphael Assenat <raph@8d.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tapani Utriainen <tapani@technexion.com>
Signed-off-by: NJeroen Hofstee <jeroen@myspectrum.nl>
Acked-by: NStefano Babic <sbabic@denx.de>

include/configs/tam3517-common.h

@@ -224,6 +224,7 @@
 #define CONFIG_SPL_BOARD_INIT
 #define CONFIG_SPL_CONSOLE
 #define CONFIG_SPL_NAND_SIMPLE
+#define CONFIG_SPL_NAND_SOFTECC
 #define CONFIG_SPL_NAND_WORKSPACE	0x8f07f000 /* below BSS */
 
 #define CONFIG_SPL_LIBCOMMON_SUPPORT