Change overlay config from EVT2 to EVT1

EVT2 config will be the default and EVT1 config will be applied as an
overlay.

Change-Id: Ic4cc937f52fbad2a23105dc676da67e323f95571
diff --git a/debian/rules b/debian/rules
index 4605e6a..4fdd654 100755
--- a/debian/rules
+++ b/debian/rules
@@ -44,7 +44,7 @@
 	cp .config $(DESTDIR)/boot/config-$(VERSION)
 	install -p -m 755 boot.img $(DESTDIR)/boot
 	cp arch/arm64/boot/dts/mediatek/mt8167-coral.dtb ${DESTDIR}/boot
-	cp arch/arm64/boot/dts/mediatek/mt8167-coral-evt2-overlay.dtb ${DESTDIR}/boot/coral-evt2.dtbo
+	cp arch/arm64/boot/dts/mediatek/mt8167-coral-evt1-overlay.dtb ${DESTDIR}/boot/coral-evt1.dtbo
 	cp arch/arm64/boot/dts/mediatek/mt8167-coral-display-overlay.dtb ${DESTDIR}/boot/coral-display.dtbo
 
 	install -d $(DESTDIR_HEADERS)/usr/src/linux-headers-$(VERSION)