powerpc/wsp: drop "select PPC_WSP_COPRO"

There is no Kconfig symbol PPC_WSP_COPRO. The select statement for it is
a nop. Drop it.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
diff --git a/arch/powerpc/platforms/wsp/Kconfig b/arch/powerpc/platforms/wsp/Kconfig
index 79d2225..56203a4 100644
--- a/arch/powerpc/platforms/wsp/Kconfig
+++ b/arch/powerpc/platforms/wsp/Kconfig
@@ -9,7 +9,6 @@
 	select PCI
 	select PPC_IO_WORKAROUNDS if PCI
 	select PPC_INDIRECT_PIO if PCI
-	select PPC_WSP_COPRO
 	default n
 
 menu "WSP platform selection"