rtl8723bu: new package

Add RTL8723BU package to compile the Realtek RTL8723BU Wifi driver.

Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

DEVELOPERS

@@ -1209,6 +1209,9 @@ N:	Mike Harmony <mike.harmony@snapav.com>
 F:	board/sinovoip/m2-plus/
 F:	configs/bananapi_m2_plus_defconfig
 
+N:	Mylène Josserand <mylene.josserand@free-electrons.com>
+F:	package/rtl8723bu/
+
 N:	Nathan Lynch <ntl@pobox.com>
 F:	package/chrony/
 

package/Config.in

@@ -484,6 +484,7 @@ endmenu
 	source "package/rs485conf/Config.in"
 	source "package/rtl8188eu/Config.in"
 	source "package/rtl8723bs/Config.in"
+	source "package/rtl8723bu/Config.in"
 	source "package/rtl8821au/Config.in"
 	source "package/sane-backends/Config.in"
 	source "package/sdparm/Config.in"

package/rtl8723bu/Config.in

@@ -0,0 +1,10 @@
+config BR2_PACKAGE_RTL8723BU
+	bool "rtl8723bu"
+	depends on BR2_LINUX_KERNEL
+	help
+	  rtl8723bu wifi driver
+
+	  https://github.com/lwfinger/rtl8723bu
+
+comment "rtl8723bu needs a Linux kernel to be built"
+	depends on !BR2_LINUX_KERNEL

package/rtl8723bu/rtl8723bu.hash

@@ -0,0 +1,2 @@
+# Locally computed
+sha256 da04cffc306d9738abdc67d234b8948db6ca97ed77760c68d99d18817839a513 rtl8723bu-b922079a090dcaad58179d478442ff97f18521c9.tar.gz

package/rtl8723bu/rtl8723bu.mk

@@ -0,0 +1,20 @@
+################################################################################
+#
+# rtl8723bu
+#
+################################################################################
+
+RTL8723BU_VERSION = b922079a090dcaad58179d478442ff97f18521c9
+RTL8723BU_SITE = $(call github,lwfinger,rtl8723bu,$(RTL8723BU_VERSION))
+RTL8723BU_LICENSE = GPL-2.0, proprietary (*.bin firmware blobs)
+
+RTL8723BU_MODULE_MAKE_OPTS = \
+	KVER=$(LINUX_VERSION_PROBED) \
+	KSRC=$(LINUX_DIR)
+
+define RTL8723BU_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 644 $(@D)/rtl8723b_fw.bin $(TARGET_DIR)/lib/firmware/rtlwifi/rtl8723b_fw.bin
+endef
+
+$(eval $(kernel-module))
+$(eval $(generic-package))