imx-usb-loader: bump revision to e539461

This latest revision supports starting i.MX8MQ via USB recovery mode.

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/imx-usb-loader/imx-usb-loader.hash

@@ -1,2 +1,2 @@
 # locally computed
-sha256  717b64cec31f7e1167d4a31e4f511eea97ab80039dd435b7b183c6f41352213a imx-usb-loader-7e77787c83288a421080a9bf2f67063931f561be.tar.gz
+sha256  263dba6331206816890eaed0de7b0aa748c6e5300982fe6f31dcfe0df383ad62  imx-usb-loader-e5394615dd413c3823d5bd1de340933e16a8c07c.tar.gz

package/imx-usb-loader/imx-usb-loader.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-IMX_USB_LOADER_VERSION = 7e77787c83288a421080a9bf2f67063931f561be
+IMX_USB_LOADER_VERSION = e5394615dd413c3823d5bd1de340933e16a8c07c
 IMX_USB_LOADER_SITE = $(call github,boundarydevices,imx_usb_loader,$(IMX_USB_LOADER_VERSION))
 IMX_USB_LOADER_LICENSE = LGPL-2.1+
 IMX_USB_LOADER_LICENSE_FILES = COPYING