scripts: use lower_snake_case for filenames

To be consistent with lower_snake_case source code filenames, use
lower_snake_case for scripts file names as well.

run-ci.sh is not renamed because openbmc-build-scripts specifically
looks for run-ci.sh or run-ci.

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I4535bac41375d2c78e71da5020cb5e2410ff3eaa
diff --git a/scripts/CloseMuxes.py b/scripts/close_muxes.py
old mode 100644
new mode 100755
similarity index 100%
rename from scripts/CloseMuxes.py
rename to scripts/close_muxes.py
diff --git a/scripts/run-ci.sh b/scripts/run-ci.sh
index c44e3d4..ca63842 100755
--- a/scripts/run-ci.sh
+++ b/scripts/run-ci.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-scripts/validate-configs.py -v -k -e test/expected-schema-errors.txt
+scripts/validate_configs.py -v -k -e test/expected-schema-errors.txt
diff --git a/scripts/validate-configs.py b/scripts/validate_configs.py
similarity index 100%
rename from scripts/validate-configs.py
rename to scripts/validate_configs.py