[PATCH] auxdisplay: img-ascii-lcd: don't build without HAS_IOMEM

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix build error when the driver is built for arch/um, which does not
support HAS_IOMEM. Furthermore, the in-tree SYSCON drivers also require
HAS_IOMEM.

drivers/built-in.o: In function `img_ascii_lcd_probe':
drivers/auxdisplay/img-ascii-lcd.c:384: undefined reference to `devm_ioremap_resource'

Paul: there is no SYSCON kconfig symbol in the kernel tree. Should that
be MFD_SYSCON or GPIO_SYSCON?
Also, there is no MIPS_SEAD3 kconfig symbol either. Please fix that.

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Cc:	Paul Burton <paul.burton@xxxxxxxxxx>
Cc:	Jeff Dike <jdike@xxxxxxxxxxx>
Cc:	Richard Weinberger <richard@xxxxxx>
Cc:	user-mode-linux-devel@xxxxxxxxxxxxxxxxxxxxx
Cc:	Lee Jones <lee.jones@xxxxxxxxxx>
Cc:	Arnd Bergmann <arnd@xxxxxxxx>
Cc:	Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc:	Ralf Baechle <ralf@xxxxxxxxxxxxxx>
---
 drivers/auxdisplay/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- lnx-410-rc2.orig/drivers/auxdisplay/Kconfig
+++ lnx-410-rc2/drivers/auxdisplay/Kconfig
@@ -121,6 +121,7 @@ config CFAG12864B_RATE
 
 config IMG_ASCII_LCD
 	tristate "Imagination Technologies ASCII LCD Display"
+	depends on HAS_IOMEM
 	default y if MIPS_MALTA || MIPS_SEAD3
 	select SYSCON
 	help