[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/ide/Kconfig b/drivers/ide/Kconfig
index 6d74017..5763040 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -732,7 +732,7 @@
 
 config IDE_ARM
 	tristate "ARM IDE support"
-	depends on ARM && (ARCH_CLPS7500 || ARCH_RPC || ARCH_SHARK)
+	depends on ARM && (ARCH_RPC || ARCH_SHARK)
 	default y
 
 config BLK_DEV_IDE_ICSIDE