armv8/fsl-layerscape: Update erratum A009635 implementation

Erratum A009635 is valid only for LS2080A SoC and its
personality. Add SoC svr check.

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 7e66ee0..78e250c 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -436,7 +436,14 @@
 #endif
 
 #ifdef CONFIG_SYS_FSL_ERRATUM_A009635
-	erratum_a009635();
+	u32 svr_dev_id;
+	/*
+	 * erratum A009635 is valid only for LS2080A SoC and
+	 * its personalitiesi
+	 */
+	svr_dev_id = get_svr() >> 16;
+	if (svr_dev_id == SVR_DEV_LS2080A)
+		erratum_a009635();
 #endif
 #if defined(CONFIG_SYS_FSL_ERRATUM_A009942) && defined(CONFIG_SYS_FSL_DDR)
 	erratum_a009942_check_cpo();