[PATCH] powerpc: move rtas_fw.c out of platforms/pseries

Cell uses the same code as pSeries for flashing the firmware
through rtas, so the implementation should not be part of
platforms/pseries.

Put it into arch/powerpc/kernel instead.

Signed-off-by: Arnd Bergmann <arndb@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 0bd315d..aa13a9d 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -278,6 +278,7 @@
 	select PPC_I8259
 	select PPC_RTAS
 	select RTAS_ERROR_LOGGING
+	select RTAS_FW
 	default y
 
 config PPC_CHRP
@@ -323,6 +324,7 @@
 	bool "  Cell Broadband Processor Architecture"
 	depends on PPC_MULTIPLATFORM && PPC64
 	select PPC_RTAS
+	select RTAS_FW
 
 config PPC_OF
 	bool
@@ -353,6 +355,11 @@
 	depends on PPC_RTAS
 	default n
 
+config RTAS_FW
+	bool
+	depends on PPC_RTAS
+	default n
+
 config MPIC_BROKEN_U3
 	bool
 	depends on PPC_MAPLE