clang-tidy: Rename mako files

Rename the mako template files to end in .mako so that clang-tidy
doesn't run on them.

Tested:
elog-errors.hpp is still generated
callouts-gen.hpp is still generated

Change-Id: I9af4b9c31db9743b5af81d801f98901431bc7e2f
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/meson.build b/meson.build
index 4b544b0..5fd21a2 100644
--- a/meson.build
+++ b/meson.build
@@ -89,7 +89,7 @@
     'callouts-gen.hpp'.underscorify(),
     input: [
         'callouts/callouts.py',
-        'callouts/callouts-gen.mako.hpp',
+        'callouts/callouts-gen.hpp.mako',
         get_option('callout_yaml'),
     ],
     output: 'callouts-gen.hpp',
@@ -100,7 +100,7 @@
     'elog-lookup.cpp'.underscorify(),
     input: files(
         'tools/elog-gen.py',
-        'tools/phosphor-logging/templates/elog-lookup-template.mako.cpp',
+        'tools/phosphor-logging/templates/elog-lookup-template.cpp.mako',
     ),
     output: 'elog-lookup.cpp',
     command: [
@@ -123,7 +123,7 @@
     'elog-process-metadata.cpp'.underscorify(),
     input: files(
         'tools/elog-gen.py',
-        'tools/phosphor-logging/templates/elog-process-metadata.mako.cpp',
+        'tools/phosphor-logging/templates/elog-process-metadata.cpp.mako',
     ),
     output: 'elog-process-metadata.cpp',
     command: [