powerpc/85xx: Implement work-around for P4080 erratum SERDES-A005

SerDes PLL bandwidth default setting is incorrect when no lanes are
configured as PCI Express.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index da2e998..b8b8914 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -311,6 +311,7 @@
 #define CONFIG_SYS_P4080_ERRATUM_CPU22
 #define CONFIG_SYS_P4080_ERRATUM_SERDES8
 #define CONFIG_SYS_P4080_ERRATUM_SERDES9
+#define CONFIG_SYS_P4080_ERRATUM_SERDES_A005
 
 /* P5010 is single core version of P5020 */
 #elif defined(CONFIG_PPC_P5010)