package/tegrarcm: fix license typo

Signed-off-by: Jerzy Grzegorek <jerzy.grzegorek@trzebnica.net>
Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/tegrarcm/tegrarcm.mk

@@ -7,7 +7,7 @@
 TEGRARCM_VERSION = v1.7
 TEGRARCM_SITE = $(call github,NVIDIA,tegrarcm,$(TEGRARCM_VERSION))
 TEGRARCM_LICENSE = BSD-3c / NVIDIA Software License (src/miniloader)
-TEGRARCM_LICENSE_FILE = LICENSE
+TEGRARCM_LICENSE_FILES = LICENSE
 TEGRARCM_AUTORECONF = YES
 HOST_TEGRARCM_DEPENDENCIES = host-libusb host-pkgconf host-cryptopp