package/linux-firmware: Add option for Rocketport 2 firmware

Add an option to install the firmware file required by the Linux rp2
driver.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
[yann.morin.1998@free.fr: fix indentation in help text]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/linux-firmware/Config.in

@@ -706,4 +706,14 @@ config BR2_PACKAGE_LINUX_FIRMWARE_ARM_MALI_CSF
 
 endmenu
 
+menu "Serial adapters firmware"
+
+config BR2_PACKAGE_LINUX_FIRMWARE_RP2
+	bool "Comtrol RocketPort EXPRESS/INFINITY firmware"
+	help
+	  Firmware files for the Comtrol RocketPort EXPRESS/INFINITY
+	  needed by the Linux rp2 kernel driver.
+
+endmenu
+
 endif

package/linux-firmware/linux-firmware.mk

@@ -910,6 +910,10 @@ LINUX_FIRMWARE_FILES += arm/mali/arch*/mali_csffw.bin
 LINUX_FIRMWARE_ALL_LICENSE_FILES += LICENCE.mali_csffw
 endif
 
+ifeq ($(BR2_PACKAGE_LINUX_FIRMWARE_RP2),y)
+LINUX_FIRMWARE_FILES += rp2.fw
+endif
+
 ifneq ($(LINUX_FIRMWARE_FILES)$(LINUX_FIRMWARE_DIRS),)
 
 define LINUX_FIRMWARE_BUILD_CMDS