rcw: add configuration for S2 protocol 13

Note: To utilize this configuration DPL and DPC must be changed
accordingly to enable dpmac 13+14 for sgmii.
Signed-off-by: Josua Mayer <josua@solid-run.com>

patches/rcw-LSDK-21.08/0021-lx2160acex7-add-configuration-for-serdes-2-protocol-.patch

+From 8a084663a8a306d5b80896f6befc8646d84d6bcf Mon Sep 17 00:00:00 2001
+From: Josua Mayer <josua@solid-run.com>
+Date: Wed, 24 Aug 2022 11:17:23 +0300
+Subject: [PATCH] lx2160acex7: add configuration for serdes 2 protocol 13
+
+Signed-off-by: Josua Mayer <josua@solid-run.com>
+---
+ lx2160acex7/configs/lx2160a_SD2_13.rcwi | 2 ++
+ 1 file changed, 2 insertions(+)
+ create mode 100644 lx2160acex7/configs/lx2160a_SD2_13.rcwi
+
+diff --git a/lx2160acex7/configs/lx2160a_SD2_13.rcwi b/lx2160acex7/configs/lx2160a_SD2_13.rcwi
+new file mode 100644
+index 0000000..85c3687
+--- /dev/null
++++ b/lx2160acex7/configs/lx2160a_SD2_13.rcwi
+@@ -0,0 +1,2 @@
++SRDS_PRTCL_S2=13
++SRDS_PLL_REF_CLK_SEL_S2=0
+-- 
+2.37.2
+