package/freescale-imx/firmware-imx: fix typos

Signed-off-by: André Hentschel <nerv@dawncrow.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 07d1c6a2adc9a9a533cbca8fa3f0f605b27eacbe)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/freescale-imx/firmware-imx/firmware-imx.mk

@@ -35,7 +35,7 @@ endef
 
 define FIRMWARE_IMX_INSTALL_IMAGES_CMDS
 	# Create padded versions of lpddr4_pmu_* and generate lpddr4_pmu_train_fw.bin.
-	# lpddr4_pmu_train_fw.bin isneeded when generating imx-boot-imx8mqevk-sd.bin
+	# lpddr4_pmu_train_fw.bin is needed when generating imx8-boot-sd.bin
 	# which is done in post-image script.
 	$(call FIRMWARE_IMX_PREPARE_LPDDR4_FW,1d)
 	$(call FIRMWARE_IMX_PREPARE_LPDDR4_FW,2d)