[POWERPC] briq_panel Kconfig fix

drivers/char/briq_panel.c:28:22: error: asm/prom.h: No such file or directory

Cc: Jeremy Kerr <jk@ozlabs.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index a7ef542..320ad7b 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -497,6 +497,7 @@
 
 config BRIQ_PANEL
 	tristate 'Total Impact briQ front panel driver'
+	depends on PPC
 	---help---
 	  The briQ is a small footprint CHRP computer with a frontpanel VFD, a
 	  tristate led and two switches. It is the size of a CDROM drive.