drivers/qe: move the entry to drivers/Makefile

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/drivers/Makefile b/drivers/Makefile
index 95a4b80..5d03f37 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -13,3 +13,4 @@
 obj-y += twserial/
 obj-y += video/
 obj-y += watchdog/
+obj-$(CONFIG_QE) += qe/