risugen: Look in the right place for modules

Use FindBin to ensure that we look for the per-CPU-arch
modules in the same directory as the script, rather than
assuming that:
 (a) you ran risugen from the directory it was in
 (b) "." is on the Perl @INC path

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/risugen b/risugen
index ae26f60..a604fe5 100755
--- a/risugen
+++ b/risugen
@@ -20,6 +20,10 @@ use Getopt::Long;
 use Data::Dumper;
 use Module::Load;
 use Text::Balanced qw { extract_bracketed extract_multiple };
+# Make sure we can find the per-CPU-architecture modules in the
+# same directory as this script.
+use FindBin;
+use lib "$FindBin::Bin";
 
 my %insn_details;