Add Makefile

To make it easier to run any checks for the repository.

diff --git a/Makefile b/Makefile
new file mode 100644 (file)
index 0000000..90121f4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,3 @@
+check:
+       @find -name '*.txt*' | xargs isutf8
+       @ath11k-fw-repo --check