Move repositories to 'repos/' subdirectory

This patch changes the top-level directory layout as a preparatory
step for improving the tools for managing 3rd-party source codes.
The rationale is described in the issue referenced below.

Issue #1082

repos/base-foc/src/kernel/arndale/target.mk

@@ -0,0 +1,5 @@
+REQUIRES      = platform_arndale
+FIASCO_DIR    = $(REP_DIR)/contrib/kernel/fiasco
+KERNEL_CONFIG = $(REP_DIR)/config/arndale.kernel
+
+-include $(PRG_DIR)/../target.inc

repos/base-foc/src/kernel/imx53/target.mk

@@ -0,0 +1,4 @@
+REQUIRES      = platform_imx53
+KERNEL_CONFIG = $(REP_DIR)/config/imx53.kernel
+
+-include $(PRG_DIR)/../target.inc

repos/base-foc/src/kernel/panda/target.mk

@@ -0,0 +1,5 @@
+REQUIRES      = platform_panda
+FIASCO_DIR    = $(REP_DIR)/contrib/kernel/fiasco
+KERNEL_CONFIG = $(REP_DIR)/config/panda.kernel
+
+-include $(PRG_DIR)/../target.inc

repos/base-foc/src/kernel/pbxa9/target.mk

@@ -0,0 +1,4 @@
+REQUIRES      = platform_pbxa9
+KERNEL_CONFIG = $(REP_DIR)/config/pbxa9.kernel
+
+-include $(PRG_DIR)/../target.inc

repos/base-foc/src/kernel/target.inc

@@ -0,0 +1,22 @@
+TARGET        = fiasco.oc
+REQUIRES     += foc
+FOC_BUILD_DIR = $(BUILD_BASE_DIR)/kernel/$(TARGET)
+FIASCO        = $(FOC_BUILD_DIR)/fiasco
+FIASCO_SRC    = $(REP_DIR)/contrib/kernel/fiasco
+STARTUP_LIB   =
+
+$(TARGET): $(FIASCO)
+
+$(FOC_BUILD_DIR):
+	$(VERBOSE_MK) $(MAKE) SYSTEM_TARGET="$(CROSS_DEV_PREFIX)" \
+                          $(VERBOSE_DIR) -C $(FIASCO_SRC) BUILDDIR=$@
+	$(VERBOSE)cp $(KERNEL_CONFIG) $@/globalconfig.out
+
+$(FIASCO): $(FOC_BUILD_DIR)
+	$(VERBOSE_MK) $(MAKE) SYSTEM_TARGET="$(CROSS_DEV_PREFIX)" \
+                          CC="$(CC)" CXX="$(CXX)" \
+                          $(VERBOSE_DIR) -C $(FOC_BUILD_DIR)
+	$(VERBOSE)ln -sf $@ $(BUILD_BASE_DIR)/bin/$(TARGET)
+
+clean cleanall:
+	$(VERBOSE)rm -rf $(FOC_BUILD_DIR)

repos/base-foc/src/kernel/vea9x4/target.mk

@@ -0,0 +1,4 @@
+REQUIRES      = platform_vea9x4
+KERNEL_CONFIG = $(REP_DIR)/config/vea9x4.kernel
+
+-include $(PRG_DIR)/../target.inc

repos/base-foc/src/kernel/x86_32/target.mk

@@ -0,0 +1,4 @@
+REQUIRES      = x86 32bit
+KERNEL_CONFIG = $(REP_DIR)/config/x86_32.kernel
+
+-include $(PRG_DIR)/../target.inc

repos/base-foc/src/kernel/x86_64/target.mk

@@ -0,0 +1,4 @@
+REQUIRES      = x86 64bit
+KERNEL_CONFIG = $(REP_DIR)/config/x86_64.kernel
+
+-include $(PRG_DIR)/../target.inc