sparc64: move EXPORT_SYMBOL to the symbols definition

Move all applicable EXPORT_SYMBOL()s to the file where the respective
symbol is defined.

Removed all the includes that are no longer needed in sparc_ksyms_64.c

Comment all remaining EXPORT_SYMBOL()s in sparc_ksyms_64.c

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

Additions by Julian Calaby:
* Moved EXPORT_SYMBOL()s for prom functions to their rightful places.
* Made some minor cleanups to the includes and comments of sparc_ksyms_64.c
* Updated and tidied commit message.
* Rebased patch over sparc-2.6.git HEAD.
* Ensured that all modified files have the correct includes.

Signed-off-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c
index 8b67347..9f52db2 100644
--- a/arch/sparc/kernel/auxio_64.c
+++ b/arch/sparc/kernel/auxio_64.c
@@ -72,6 +72,7 @@
 	bit = (ebus ? AUXIO_PCIO_LED : AUXIO_AUX1_LED);
 	__auxio_set_bit(bit, on, ebus);
 }
+EXPORT_SYMBOL(auxio_set_led);
 
 static void __auxio_sbus_set_lte(int on)
 {
@@ -90,6 +91,7 @@
 		break;
 	}
 }
+EXPORT_SYMBOL(auxio_set_lte);
 
 static struct of_device_id __initdata auxio_match[] = {
 	{