ARM: tegra: move Tegra specific code under arch/arm/

This patch moves Tegra specific directory entries
from the toplevel Makefile and spl/Makefile
to arch/arm/cpu/*/Makefile using Kbuild descending feature.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Warren <TWarren@nvidia.com>

Makefile

@@ -314,11 +314,7 @@ endif
 ifeq ($(SOC),exynos)
 LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
 endif
-ifneq ($(CONFIG_TEGRA),)
-LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
-LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
-LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
-endif
+LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
 
 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
 .PHONY : $(LIBS)

arch/arm/cpu/Makefile

@@ -0,0 +1,2 @@
+obj-$(CONFIG_TEGRA) += $(SOC)-common/
+obj-$(CONFIG_TEGRA) += tegra-common/

arch/arm/cpu/arm720t/Makefile

@@ -7,3 +7,5 @@
 
 extra-y	= start.o
 obj-y	= interrupts.o cpu.o
+
+obj-$(CONFIG_TEGRA) += tegra-common/

arch/arm/cpu/armv7/Makefile

@@ -20,3 +20,5 @@ ifneq ($(CONFIG_ARMV7_NONSEC)$(CONFIG_ARMV7_VIRT),)
 obj-y	+= nonsec_virt.o
 obj-y	+= virt-v7.o
 endif
+
+obj-$(CONFIG_TEGRA) += tegra-common/

spl/Makefile

@@ -109,11 +109,7 @@ ifneq (,$(CONFIG_MX23)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
 endif
 
-ifneq ($(CONFIG_TEGRA),)
-LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
-LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o
-LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o
-endif
+LIBS-$(CONFIG_ARM) += arch/arm/cpu/libcpu.o
 
 ifneq ($(CONFIG_MX23)$(CONFIG_MX35),)
 LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o