utils/genrandconfig: only fixup host uboot tools source when empty

If the kconfig values being replaced are not empty we should not
try to fix them.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

utils/genrandconfig

@@ -299,7 +299,9 @@ def fixup_config(sysinfo, configfile):
        'BR2_PACKAGE_FLANN=y\n' in configlines:
         return False
 
-    if 'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE=y\n' in configlines:
+    if 'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE=y\n' in configlines and \
+       'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SOURCE=""\n' in configlines and \
+       'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SIZE=""\n' in configlines:
         bootenv = os.path.join(args.outputdir, "boot_env.txt")
         with open(bootenv, "w+") as bootenvf:
             bootenvf.write("prop=value")
@@ -308,7 +310,8 @@ def fixup_config(sysinfo, configfile):
         configlines.remove('BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SIZE=""\n')
         configlines.append('BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE_SIZE="0x1000"\n')
 
-    if 'BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y\n' in configlines:
+    if 'BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y\n' in configlines and \
+       'BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE=""\n' in configlines:
         bootscr = os.path.join(args.outputdir, "boot_script.txt")
         with open(bootscr, "w+") as bootscrf:
             bootscrf.write("prop=value")