Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index d41c948..f138028 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -290,7 +290,7 @@
 #define ACPI_FADT_APIC_CLUSTER      (1<<18)	/* 18: [V4] All local APICs must use cluster model (ACPI 3.0) */
 #define ACPI_FADT_APIC_PHYSICAL     (1<<19)	/* 19: [V4] All local x_aPICs must use physical dest mode (ACPI 3.0) */
 
-/* Values for preferred_profile (Prefered Power Management Profiles) */
+/* Values for preferred_profile (Preferred Power Management Profiles) */
 
 enum acpi_prefered_pm_profiles {
 	PM_UNSPECIFIED = 0,