Fix spelling mistakes using codespell

This commit corrects various spelling mistakes throughout the
repository. The corrections were made automatically using `codespell`[1]
tool.

[1]: https://github.com/codespell-project/codespell

Change-Id: I153217f4ae8454e3546a59da9fcfe3f83fd04b39
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
diff --git a/src/test/erase/zero_test.cpp b/src/test/erase/zero_test.cpp
index f57cd62..ee9dd50 100644
--- a/src/test/erase/zero_test.cpp
+++ b/src/test/erase/zero_test.cpp
@@ -43,7 +43,7 @@
 }
 
 /* This test that pattern writes the correct number of bytes even if
- * size of the drive is not divisable by the block size
+ * size of the drive is not divisible by the block size
  */
 TEST(Zeros, notDivisible)
 {