src/soc: Fix various typos

These typos were found through manual review and grep.

Change-Id: I6693a9e3b51256b91342881a7116587f68ee96e6
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/23706
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/soc/intel/common/block/pmc/pmclib.c b/src/soc/intel/common/block/pmc/pmclib.c
index dea7e1b..cf87d05 100644
--- a/src/soc/intel/common/block/pmc/pmclib.c
+++ b/src/soc/intel/common/block/pmc/pmclib.c
@@ -360,7 +360,7 @@
 
 /*
  * Returns prev_sleep_state and also prints all power management registers.
- * Calls soc_prev_sleep_state which may be impelmented by SOC.
+ * Calls soc_prev_sleep_state which may be implemented by SOC.
  */
 static int pmc_prev_sleep_state(const struct chipset_power_state *ps)
 {