Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/include/media/davinci/isif.h b/include/media/davinci/isif.h
index b0b74ad..7f3d76a4 100644
--- a/include/media/davinci/isif.h
+++ b/include/media/davinci/isif.h
@@ -199,7 +199,7 @@
 };
 
 /*************************************************************************
-** Color Space Convertion (CSC)
+** Color Space Conversion (CSC)
 *************************************************************************/
 #define ISIF_CSC_NUM_COEFF	16
 struct isif_color_space_conv {