package_config/QCOM: Add firmware-atheros to DB845c

Needed by BT QCA,

/lib/firmware/qca/crnv21.bin
/lib/firmware/qca/crbtfw21.tlv

Change-Id: I4af372ae84354a4e7eb38e498768371a10a68982
Signed-off-by: Aníbal Limón <anibal.limon@linaro.org>
diff --git a/package_config/QCOM b/package_config/QCOM
index 212e64f..c7fe0ee 100644
--- a/package_config/QCOM
+++ b/package_config/QCOM
@@ -16,6 +16,7 @@
 linux-image-4.14.0-qcomlt-arm64
 
 PACKAGES install-norec DB845C
+firmware-atheros
 firmware-qcom-dragonboard845c
 linux-image-5.2.0-qcomlt-arm64