utils/genrandconfig: add opensbi custom handling

Add custom cases to make sure that a random configuration with an empty
git, tarball location or version for opensbi doesn't fail. It reverts to
BR2_TARGET_OPENSBI_LATEST_VERSION in that case.

Fixes:
 - http://autobuild.buildroot.org/results/b31882b1a7119b2b590cc6dfed44fe515a63a6b8
 - http://autobuild.buildroot.org/results/61866e8941741c9746dcb2c60b6db3b0e5b9a47b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

utils/genrandconfig

@@ -535,6 +535,27 @@ def fixup_config(sysinfo, configfile):
         if 'BR2_ARCH_HAS_NO_TOOLCHAIN_BUILDROOT=y\n' in configlines:
             return False
 
+    if 'BR2_TARGET_OPENSBI=y\n' in configlines and \
+       'BR2_TARGET_OPENSBI_CUSTOM_GIT=y\n' in configlines and \
+       'BR2_TARGET_OPENSBI_CUSTOM_REPO_URL=""\n' in configlines:
+        configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_GIT=y\n')
+        configlines.append('BR2_TARGET_OPENSBI_LATEST_VERSION=y\n')
+        configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_REPO_URL=""\n')
+
+    if 'BR2_TARGET_OPENSBI=y\n' in configlines and \
+       'BR2_TARGET_OPENSBI_CUSTOM_TARBALL=y\n' in configlines and \
+       'BR2_TARGET_OPENSBI_CUSTOM_TARBALL_LOCATION=""\n' in configlines:
+        configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_TARBALL=y\n')
+        configlines.append('BR2_TARGET_OPENSBI_LATEST_VERSION=y\n')
+        configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_TARBALL_LOCATION=""\n')
+
+    if 'BR2_TARGET_OPENSBI=y\n' in configlines and \
+       'BR2_TARGET_OPENSBI_CUSTOM_VERSION=y\n' in configlines and \
+       'BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE=""\n' in configlines:
+        configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_VERSION=y\n')
+        configlines.append('BR2_TARGET_OPENSBI_LATEST_VERSION=y\n')
+        configlines.remove('BR2_TARGET_OPENSBI_CUSTOM_VERSION_VALUE=""\n')
+
     if 'BR2_PACKAGE_REFPOLICY=y\n' in configlines and \
        'BR2_PACKAGE_REFPOLICY_CUSTOM_GIT=y\n' in configlines and \
        'BR2_PACKAGE_REFPOLICY_CUSTOM_REPO_URL=""\n' in configlines: