Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index c4ea092..e5cc56a 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -414,11 +414,11 @@
 	support. 
 
 config FORCE_CPEI_RETARGET
-	bool "Force assumption that CPEI can be re-targetted"
+	bool "Force assumption that CPEI can be re-targeted"
 	depends on PERMIT_BSP_REMOVE
 	default n
 	---help---
-	Say Y if you need to force the assumption that CPEI can be re-targetted to
+	Say Y if you need to force the assumption that CPEI can be re-targeted to
 	any cpu in the system. This hint is available via ACPI 3.0 specifications.
 	Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
 	This option it useful to enable this feature on older BIOS's as well.