common: Convert *.c/h from UTF-8 to ASCII enconfing

Convert UTF-8 chars to ASCII in cases where make sense. No Copyright or
names are converted.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Marek BehĂșn <kabel@kernel.org>
diff --git a/arch/arm/mach-imx/mx7/psci-mx7.c b/arch/arm/mach-imx/mx7/psci-mx7.c
index 699a256..0b71fa4 100644
--- a/arch/arm/mach-imx/mx7/psci-mx7.c
+++ b/arch/arm/mach-imx/mx7/psci-mx7.c
@@ -631,9 +631,9 @@
 	 * Workaround:
 	 * If both CPU0/CPU1 are IDLE, the last IDLE CPU should
 	 * disable GIC first, then REG_BYPASS_COUNTER is used
-	 * to mask wakeup INT, and then execute “wfi” is used to
+	 * to mask wakeup INT, and then execute "wfi" is used to
 	 * bring the system into power down processing safely.
-	 * The counter must be enabled as close to the “wfi” state
+	 * The counter must be enabled as close to the "wfi" state
 	 * as possible. The following equation can be used to
 	 * determine the RBC counter value:
 	 * RBC_COUNT * (1/32K RTC frequency) >=