examples: move api/ and standalone/ entry to examples/Makefile

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

Makefile

@@ -570,11 +570,8 @@ SUBDIRS = $(SUBDIR_TOOLS)
 
 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
 
-SUBDIR_EXAMPLES-y := examples/standalone
-SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
-ifndef CONFIG_SANDBOX
+SUBDIR_EXAMPLES-y := examples
 SUBDIRS += $(SUBDIR_EXAMPLES-y)
-endif
 
 #########################################################################
 # U-Boot objects....order is important (i.e. start must be first)

examples/Makefile

@@ -0,0 +1,9 @@
+ifndef CONFIG_SANDBOX
+
+ifdef FTRACE
+subdir-ccflags-y += -finstrument-functions -DFTRACE
+endif
+
+subdir-y += standalone
+subdir-$(CONFIG_API) += api
+endif

examples/api/Makefile

@@ -4,10 +4,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifdef FTRACE
-ccflags-y += -finstrument-functions -DFTRACE
-endif
-
 ifeq ($(ARCH),powerpc)
 LOAD_ADDR = 0x40000
 endif

examples/standalone/Makefile

@@ -5,10 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifdef FTRACE
-ccflags-y += -finstrument-functions -DFTRACE
-endif
-
 extra-y        := hello_world
 extra-$(CONFIG_SMC91111)           += smc91111_eeprom
 extra-$(CONFIG_SMC911X)            += smc911x_eeprom