Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index a860fb5..e6e3810 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -1559,7 +1559,7 @@
 			 * I2CHS IP's do not follow the usual pattern.
 			 * prcm_reg_id alone cannot be used to program
 			 * the iclk and fclk. Needs to be handled using
-			 * additonal flags when clk handling is moved
+			 * additional flags when clk handling is moved
 			 * to hwmod framework.
 			 */
 			.module_offs = CORE_MOD,