mako: add telephony.gsm feature

Bug 6871663

Change-Id: I99ace25161f24c861eb2a8962da5984b6ed74dc3
diff --git a/device.mk b/device.mk
index 5eb04d7..de0ca65 100644
--- a/device.mk
+++ b/device.mk
@@ -99,7 +99,8 @@
 	frameworks/native/data/etc/android.hardware.nfc.xml:system/etc/permissions/android.hardware.nfc.xml \
 	frameworks/native/data/etc/android.software.sip.voip.xml:system/etc/permissions/android.software.sip.voip.xml \
 	frameworks/native/data/etc/android.hardware.usb.accessory.xml:system/etc/permissions/android.hardware.usb.accessory.xml \
-	frameworks/native/data/etc/android.hardware.usb.host.xml:system/etc/permissions/android.hardware.usb.host.xml
+	frameworks/native/data/etc/android.hardware.usb.host.xml:system/etc/permissions/android.hardware.usb.host.xml \
+	frameworks/native/data/etc/android.hardware.telephony.gsm.xml:system/etc/permissions/android.hardware.telephony.gsm.xml
 #	packages/wallpapers/LivePicker/android.software.live_wallpaper.xml:system/etc/permissions/android.software.live_wallpaper.xml
 
 PRODUCT_PROPERTY_OVERRIDES += \