[ARM] clps7500: remove support

The CLPS7500 platform has not built since 2.6.22-git7 and there
seems to be no interest in fixing it.  So, remove the platform
support.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 3f3ce13..2373018 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -362,7 +362,7 @@
 
 config FB_ACORN
 	bool "Acorn VIDC support"
-	depends on (FB = y) && ARM && (ARCH_ACORN || ARCH_CLPS7500)
+	depends on (FB = y) && ARM && ARCH_ACORN
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT