mtd: enable sh_flctl on SH-Mobile ARM

Update the Kconfig entry for the sh_flctl driver to
enable build on SH-Mobile ARM platforms.
Signed-off-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

drivers/mtd/nand/Kconfig

@@ -457,7 +457,7 @@ config MTD_NAND_NOMADIK
 
 config MTD_NAND_SH_FLCTL
 	tristate "Support for NAND on Renesas SuperH FLCTL"
-	depends on MTD_NAND && SUPERH
+	depends on MTD_NAND && (SUPERH || ARCH_SHMOBILE)
 	help
 	  Several Renesas SuperH CPU has FLCTL. This option enables support
 	  for NAND Flash using FLCTL.