Staging: sxg: Add support to download the firmware using request_firmware()

Add support for downloading the firmware using kernel-builtin mechanism.
This will remove the need for the firmware files in the driver source code.

Signed-off-by: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Mithlesh Thukral <mithlesh@linsyssoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/firmware/Makefile b/firmware/Makefile
index 600b8b4..1666489 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -53,6 +53,8 @@
 				slicoss/oasisdbgdownload.sys \
 				slicoss/oasisdownload.sys \
 				slicoss/oasisrcvucode.sys
+fw-shipped-$(CONFIG_SXG) += sxg/saharadownloadB.sys \
+				sxg/saharadbgdownloadB.sys
 fw-shipped-$(CONFIG_SND_YMFPCI) += yamaha/ds1_ctrl.fw yamaha/ds1_dsp.fw \
 				   yamaha/ds1e_ctrl.fw
 fw-shipped-$(CONFIG_TEHUTI) += tehuti/bdx.bin