Add mbtk_gnssd

Change-Id: I2e3bc0b7c9cc310c04a4fbcbe809c525b0cfafbe
diff --git a/mbtk/mbtk_gnssd/gnss_6228.c b/mbtk/mbtk_gnssd/gnss_6228.c
new file mode 100755
index 0000000..2cd86a4
--- /dev/null
+++ b/mbtk/mbtk_gnssd/gnss_6228.c
Binary files differ