target: add a feature flag for RTC support

SVN-Revision: 31777

include/target.mk

@@ -183,6 +183,9 @@ ifeq ($(DUMP),1)
     ifneq ($(CONFIG_VGA_CONSOLE)$(CONFIG_FB),)
       FEATURES += display
     endif
+    ifneq ($(CONFIG_RTC_CLASS),)
+      FEATURES += rtc
+    endif
 
     # remove duplicates
     FEATURES:=$(sort $(FEATURES))

scripts/metadata.pl

@@ -161,6 +161,7 @@ sub target_config_features(@) {
 		/usb/ and $ret .= "\tselect USB_SUPPORT\n";
 		/usbgadget/ and $ret .= "\tselect USB_GADGET_SUPPORT\n";
 		/pcmcia/ and $ret .= "\tselect PCMCIA_SUPPORT\n";
+		/rtc/ and $ret .= "\tselect RTC_SUPPORT\n";
 		/squashfs/ and $ret .= "\tselect USES_SQUASHFS\n";
 		/jffs2/ and $ret .= "\tselect USES_JFFS2\n";
 		/ext4/ and $ret .= "\tselect USES_EXT4\n";

target/Config.in

@@ -33,6 +33,9 @@ config USB_SUPPORT
 config USB_GADGET_SUPPORT
 	bool
 
+config RTC_SUPPORT
+	bool
+
 config BIG_ENDIAN
 	bool