console: update skeleton

Update the skeleton implementation of the console interface.

The 32 bit version was outdated and has been copied from the 64 bit
version.

Change-Id: Ib3e4eb09402ffccb1a30c703a53829a7bf064dfe
Signed-off-by: Ambroise Vincent <ambroise.vincent@arm.com>
diff --git a/drivers/console/aarch64/skeleton_console.S b/drivers/console/aarch64/skeleton_console.S
index c695dde..957ed83 100644
--- a/drivers/console/aarch64/skeleton_console.S
+++ b/drivers/console/aarch64/skeleton_console.S
@@ -7,7 +7,7 @@
 #include <console_macros.S>
 
 	/*
-	 * This file contains a skeleton console driver that can be used as
+	 * This file contains a skeleton console driver that can be used as a
 	 * basis for a real console driver. Console drivers in Trusted Firmware
 	 * can be instantiated multiple times. Each instance is described by a
 	 * separate console_t structure which must be registered with the common
@@ -16,7 +16,7 @@
 	 * console_t structure passed in from the caller and registers it after
 	 * initializing the console hardware. Drivers may define their own
 	 * structures extending console_t to store private driver information.
-	 * Console drivers *MUST* take care that the console callbacks they
+	 * Console drivers *MUST* ensure that the console callbacks they
 	 * implement only change registers allowed in the clobber lists defined
 	 * in this file. (Note that in addition to the explicit clobber lists,
 	 * any function may always clobber the intra-procedure-call registers