[ARM] Remove EPXA10DB machine support

EPXA10DB seems to be uncared for:
- the "PLD" code has never been merged
- no one has reported that this platform has been broken since
  at least 2.6.10
- interest seems to have dried up around March 2003.

Therefore, remove EPXA10DB support.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index e84fdde..04cf055 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -83,8 +83,8 @@
 # ARM922T
 config CPU_ARM922T
 	bool "Support ARM922T processor" if ARCH_INTEGRATOR
-	depends on ARCH_CAMELOT || ARCH_LH7A40X || ARCH_INTEGRATOR
-	default y if ARCH_CAMELOT || ARCH_LH7A40X
+	depends on ARCH_LH7A40X || ARCH_INTEGRATOR
+	default y if ARCH_LH7A40X
 	select CPU_32v4
 	select CPU_ABRT_EV4T
 	select CPU_CACHE_V4WT