kbuild: Descend into SOC directory from CPU directory

Some CPUs of some architectures have SOC directories.
At present, the build system directly descends into SOC directories
from the top Makefile, but it should generally descend into each
directory from its parent directory.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/arch/arm/cpu/arm1136/Makefile b/arch/arm/cpu/arm1136/Makefile
index 3279f12..90dc7aa 100644
--- a/arch/arm/cpu/arm1136/Makefile
+++ b/arch/arm/cpu/arm1136/Makefile
@@ -7,3 +7,5 @@
 
 extra-y	= start.o
 obj-y	= cpu.o
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/arm/cpu/arm1176/Makefile b/arch/arm/cpu/arm1176/Makefile
index deec427..b64edf9 100644
--- a/arch/arm/cpu/arm1176/Makefile
+++ b/arch/arm/cpu/arm1176/Makefile
@@ -10,3 +10,5 @@
 
 extra-y	= start.o
 obj-y	= cpu.o
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/arm/cpu/arm720t/Makefile b/arch/arm/cpu/arm720t/Makefile
index 6badb3b..9893b08 100644
--- a/arch/arm/cpu/arm720t/Makefile
+++ b/arch/arm/cpu/arm720t/Makefile
@@ -9,3 +9,5 @@
 obj-y	= interrupts.o cpu.o
 
 obj-$(CONFIG_TEGRA) += tegra-common/
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/arm/cpu/arm920t/Makefile b/arch/arm/cpu/arm920t/Makefile
index aac8043..9f885ff 100644
--- a/arch/arm/cpu/arm920t/Makefile
+++ b/arch/arm/cpu/arm920t/Makefile
@@ -9,3 +9,5 @@
 
 obj-y	+= cpu.o
 obj-$(CONFIG_USE_IRQ)	+= interrupts.o
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/arm/cpu/arm926ejs/Makefile b/arch/arm/cpu/arm926ejs/Makefile
index 1252995..bd1ef8b 100644
--- a/arch/arm/cpu/arm926ejs/Makefile
+++ b/arch/arm/cpu/arm926ejs/Makefile
@@ -13,3 +13,5 @@
 extra-y	:=
 endif
 endif
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index afeed4d..7d8ca08 100644
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -37,3 +37,5 @@
 ifneq (,$(filter s5pc1xx exynos,$(SOC)))
 obj-y += s5p-common/
 endif
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile
index 7d93f59..d2488e7 100644
--- a/arch/arm/cpu/armv8/Makefile
+++ b/arch/arm/cpu/armv8/Makefile
@@ -14,3 +14,5 @@
 obj-y	+= cache.o
 obj-y	+= tlb.o
 obj-y	+= transition.o
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/avr32/cpu/Makefile b/arch/avr32/cpu/Makefile
index 5e11721..2f7adf8 100644
--- a/arch/avr32/cpu/Makefile
+++ b/arch/avr32/cpu/Makefile
@@ -16,3 +16,5 @@
 obj-y			+= interrupts.o
 obj-$(CONFIG_PORTMUX_PIO) += portmux-pio.o
 obj-$(CONFIG_PORTMUX_GPIO) += portmux-gpio.o
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/mips/cpu/mips32/Makefile b/arch/mips/cpu/mips32/Makefile
index e0e6309..1221b9e 100644
--- a/arch/mips/cpu/mips32/Makefile
+++ b/arch/mips/cpu/mips32/Makefile
@@ -8,3 +8,5 @@
 extra-y	= start.o
 obj-y	= cache.o
 obj-y	+= cpu.o interrupts.o time.o
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/nds32/cpu/n1213/Makefile b/arch/nds32/cpu/n1213/Makefile
index 206d304..be98c4a 100644
--- a/arch/nds32/cpu/n1213/Makefile
+++ b/arch/nds32/cpu/n1213/Makefile
@@ -13,3 +13,5 @@
 obj- := __dummy__.o
 
 extra-y	= start.o
+
+obj-y += $(if $(SOC),$(SOC)/)
diff --git a/arch/x86/cpu/Makefile b/arch/x86/cpu/Makefile
index 9d38ef7..b5ad1ba 100644
--- a/arch/x86/cpu/Makefile
+++ b/arch/x86/cpu/Makefile
@@ -11,3 +11,5 @@
 extra-y	= start.o
 obj-$(CONFIG_X86_RESET_VECTOR) += resetvec.o start16.o
 obj-y	+= interrupts.o cpu.o call64.o
+
+obj-y += $(if $(SOC),$(SOC)/)