lx2160a rcw: add SD1 mode 21 RCW

lx2160acex7: add support for SERDES1 mode 21, wich support 6x 25GB [Lanes 1-4 & Lane 7-8].
Signed-off-by: Yazan Shhady <yazan.shhady@solid-run.com>

patches/rcw-LSDK-21.08/0017-lx2160acex7-add-SD1-mode-21-serdes-configuratin.patch

+From 35939ae167ea47f49a6efcb115a36269e6ebc0d0 Mon Sep 17 00:00:00 2001
+From: Yazan Shhady <yazan.shhady@solid-run.com>
+Date: Sun, 3 Apr 2022 11:20:44 +0300
+Subject: [PATCH] lx2160acex7: add SD1 mode 21 serdes configuratin
+
+Signed-off-by: Yazan Shhady <yazan.shhady@solid-run.com>
+---
+ lx2160acex7/configs/lx2160a_SD1_21.rcwi | 3 +++
+ 1 file changed, 3 insertions(+)
+ create mode 100644 lx2160acex7/configs/lx2160a_SD1_21.rcwi
+
+diff --git a/lx2160acex7/configs/lx2160a_SD1_21.rcwi b/lx2160acex7/configs/lx2160a_SD1_21.rcwi
+new file mode 100644
+index 0000000..c62c262
+--- /dev/null
++++ b/lx2160acex7/configs/lx2160a_SD1_21.rcwi
+@@ -0,0 +1,3 @@
++SRDS_PRTCL_S1=21
++#include <configs/lx2160a_cex7_hc_sd1_lanes_e_f.rcwi>
++#include <configs/lx2160a_cex7_hc_sd1_lanes_g_h.rcwi>
+-- 
+2.25.1
+

runme.sh

@@ -92,6 +92,10 @@ case "${SERDES}" in
 		DPC=dpc-dual-40g.dtb
 		DPL=dpl-eth.dual-40g.19.dtb
 	;;
+	21_*)
+		DPC=dpc-6x25g.dtb
+		DPL=dpl-eth.6x25g.21.dtb
+	;;
 	*)
 		echo "Please define SERDES configuration"
 		exit -1