powerpc/DPAA: Fix compiling error

FSL_HW_PORTAL_PME is used even when CONFIG_SYS_DPAA_PME is not defined.
Remove the #ifdef.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

arch/powerpc/include/asm/fsl_portals.h

@@ -32,9 +32,7 @@ enum fsl_dpaa_dev {
 	FSL_HW_PORTAL_FMAN2,
 #endif
 #endif
-#ifdef CONFIG_SYS_DPAA_PME
 	FSL_HW_PORTAL_PME,
-#endif
 #ifdef CONFIG_SYS_FSL_RAID_ENGINE
 	FSL_HW_PORTAL_RAID_ENGINE,
 #endif