powerpc/4xx: Fix typo 'PCC4xx_MSI'

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

arch/powerpc/platforms/44x/Kconfig

@@ -75,7 +75,7 @@ config KATMAI
 	select PCI
 	select PPC4xx_PCI_EXPRESS
 	select PCI_MSI
-	select PCC4xx_MSI
+	select PPC4xx_MSI
 	help
 	  This option enables support for the AMCC PPC440SPe evaluation board.