utils/genrandconfig: handle a10disp

a10disp will raise the following build failure with a mainline kernel:

cp: cannot stat '/home/autobuild/autobuild/instance-0/output-1/build/linux-5.17.15/include/video/sunxi_disp_ioctl.h': No such file or directory

Fixes:
 - http://autobuild.buildroot.org/results/1f2607d6adece4d5dfe17fbdb032a2d228fc030f

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit bada3ae53f051e3788bdacb8483cd386c2f4a419)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

utils/genrandconfig

@@ -299,6 +299,8 @@ def fixup_config(sysinfo, configfile):
     if 'BR2_PACKAGE_AUFS_UTIL=y\n' in configlines and \
        'BR2_PACKAGE_AUFS_UTIL_VERSION=""\n' in configlines:
         return False
+    if 'BR2_PACKAGE_A10DISP=y\n' in configlines:
+        return False
 
     if 'BR2_PACKAGE_HOST_UBOOT_TOOLS_ENVIMAGE=y\n' in configlines:
         bootenv = os.path.join(args.outputdir, "boot_env.txt")