mn10300: Remove the architecture

Remove the MN10300 arch as the hardware is defunct.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Masahiro Yamada <yamada.masahiro@socionext.com>
cc: linux-am33-list@redhat.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

drivers/rtc/Kconfig

@@ -868,7 +868,7 @@ comment "Platform RTC drivers"
 
 config RTC_DRV_CMOS
 	tristate "PC-style 'CMOS'"
-	depends on X86 || ARM || M32R || PPC || MIPS || SPARC64 || MN10300
+	depends on X86 || ARM || M32R || PPC || MIPS || SPARC64
 	default y if X86
 	select RTC_MC146818_LIB
 	help

drivers/rtc/rtc-cmos.c

@@ -711,7 +711,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
 	address_space = 64;
 #elif defined(__i386__) || defined(__x86_64__) || defined(__arm__) \
 			|| defined(__sparc__) || defined(__mips__) \
-			|| defined(__powerpc__) || defined(CONFIG_MN10300)
+			|| defined(__powerpc__)
 	address_space = 128;
 #else
 #warning Assuming 128 bytes of RTC+NVRAM address space, not 64 bytes.