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The 32 bit version was outdated and has been copied from the 64 bit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/include/arch/aarch32/console_macros.S b/include/arch/aarch32/console_macros.S
index 070be84..996cb32 100644
--- a/include/arch/aarch32/console_macros.S
+++ b/include/arch/aarch32/console_macros.S
@@ -15,7 +15,7 @@
  * default consoles are enabled for the "boot" and "crash" states, this can be
  * changed after registration with the console_set_scope() function). It ends
  * with a tail call that will include return to the caller.
- * REQUIRES console_t pointer in x0 and a valid return address in x30.
+ * REQUIRES console_t pointer in r0 and a valid return address in lr.
  */
 	.macro	finish_console_register _driver, putc=0, getc=0, flush=0
 	/*