x86: Move commands from under arch/x86 to cmd/x86/

We only need to compile and link these files when building for full
U-Boot.  Move them to under cmd/x86/ to make sure they aren't linked in
and undiscarded due to u_boot_list_2_cmd_* being included).

Cc: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/x86/lib/Makefile

@@ -23,7 +23,6 @@ obj-y	+= interrupts.o
 obj-y	+= lpc-uclass.o
 obj-y	+= mpspec.o
 obj-$(CONFIG_ENABLE_MRC_CACHE) += mrccache.o
-obj-y += cmd_mtrr.o
 obj-y	+= northbridge-uclass.o
 obj-$(CONFIG_I8259_PIC) += i8259.o
 obj-$(CONFIG_I8254_TIMER) += i8254.o

arch/x86/lib/fsp/Makefile

@@ -4,7 +4,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-obj-y += cmd_fsp.o
 obj-y += fsp_car.o
 obj-y += fsp_common.o
 obj-y += fsp_dram.o

cmd/Makefile

@@ -150,6 +150,8 @@ obj-$(CONFIG_CMD_PMIC) += pmic.o
 obj-$(CONFIG_CMD_REGULATOR) += regulator.o
 
 obj-$(CONFIG_CMD_BLOB) += blob.o
+
+obj-$(CONFIG_X86) += x86/
 endif # !CONFIG_SPL_BUILD
 
 # core command

cmd/x86/Makefile

@@ -0,0 +1,6 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += mtrr.o
+obj-$(CONFIG_HAVE_FSP) += fsp.o