theme: Capitalize EDL

TWRP used 'Edl', but everywhere else, it is 'EDL'.

Change-Id: I4f63185ffb96797da0d695b34857ee242cfa33e8
diff --git a/gui/theme/common/languages/el.xml b/gui/theme/common/languages/el.xml
index 8ac681d..688299a 100644
--- a/gui/theme/common/languages/el.xml
+++ b/gui/theme/common/languages/el.xml
@@ -273,7 +273,7 @@
         <string name="rb_recovery_btn">Recovery</string>
         <string name="rb_bootloader_btn">Bootloader</string>
         <string name="rb_download_btn">Λήψη</string>
-		<string name="rb_edl_btn">Edl</string>
+		<string name="rb_edl_btn">EDL</string>
         <string name="turning_off">Απενεργοποίηση...</string>
         <string name="swipe_power_off">Σύρετε για Απενεργοποίηση</string>
         <string name="swipe_power_off_s">Απενεργοποίηση</string>