kconfig: drop intermittend forwarder files

With kconfig understanding wildcards, we don't need
Kconfig files that just include other Kconfig files
anymore.

Change-Id: I7584e675f78fcb4ff1fdb0731e340533c5bc040d
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/9298
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/arch/arm/Kconfig

@@ -1,3 +1,7 @@
+config ARCH_ARM
+	bool
+	default n
+
 config ARCH_BOOTBLOCK_ARM
 	bool
 	default n

src/arch/arm64/Kconfig

@@ -1,3 +1,7 @@
+config ARCH_ARM64
+	bool
+	default n
+
 config ARCH_BOOTBLOCK_ARM64
 	bool
 	default n

src/arch/mips/Kconfig

@@ -19,6 +19,10 @@
 # MA 02110-1301 USA
 #
 
+config ARCH_MIPS
+	bool
+	default n
+
 config ARCH_BOOTBLOCK_MIPS
 	bool
 	default n

src/arch/riscv/Kconfig

@@ -1,3 +1,7 @@
+config ARCH_RISCV
+	bool
+	default n
+
 config ARCH_BOOTBLOCK_RISCV
 	bool
 	default n

src/arch/x86/Kconfig

@@ -13,6 +13,11 @@
 ## GNU General Public License for more details.
 ##
 
+config ARCH_X86
+	bool
+	default n
+	select PCI
+
 config ARCH_BOOTBLOCK_X86_32
 	bool
 	default n