package/libiqrf: add license file

Add license file and, while at it, update indentation to two spaces

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libiqrf/libiqrf.hash

@@ -1,2 +1,3 @@
 # Locally calculated
-sha256 8111031dd9dd6093a1927eb32dd7476fe22cfee9190043aa8e4c88003c104b16  libiqrf-0.1.2.tar.gz
+sha256  8111031dd9dd6093a1927eb32dd7476fe22cfee9190043aa8e4c88003c104b16  libiqrf-0.1.2.tar.gz
+sha256  11e0700d7c23604d86fa1e7c54c7caa778d79eeb0035be8f80b5a552224ef015  src/iqrf.c

package/libiqrf/libiqrf.mk

@@ -9,5 +9,6 @@ LIBIQRF_SITE = $(call github,nandra,libiqrf,v$(LIBIQRF_VERSION))
 LIBIQRF_INSTALL_STAGING = YES
 LIBIQRF_DEPENDENCIES = libusb
 LIBIQRF_LICENSE = LGPL-2.1+
+LIBIQRF_LICENSE_FILES = src/iqrf.c
 
 $(eval $(cmake-package))