rockchip/rk3399: gru/kevin: drop unuse sdram config

there is some sdram config we do not use now, drop them.

BUG=None
BRANCH=None
TEST=None

Change-Id: I5f9278093f02e785b2894faa8e8cf09ecec20325
Signed-off-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/399122
Commit-Ready: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

src/mainboard/google/gru/sdram_configs.c

@@ -23,23 +23,17 @@
 #include <types.h>
 
 static const char *sdram_configs[] = {
-	"sdram-lpddr3-hynix-4GB-200",
 	"sdram-lpddr3-hynix-4GB-666",
 	"sdram-lpddr3-hynix-4GB-800",
-	"sdram-lpddr3-hynix-4GB-666-no-odt",
-	"sdram-lpddr3-hynix-4GB-800-no-odt",
 	"sdram-lpddr3-hynix-4GB-933",
 };
 
 static struct rk3399_sdram_params params;
 
 enum dram_speeds {
-	dram_200MHz = 0,
-	dram_666MHz = 1,
-	dram_800MHz = 2,
-	dram_666MHz_NO_ODT = 3,
-	dram_800MHz_NO_ODT = 4,
-	dram_933MHz = 5,
+	dram_666MHz = 0,
+	dram_800MHz = 1,
+	dram_933MHz = 2,
 };
 
 static enum dram_speeds get_sdram_index(void)
@@ -57,12 +51,7 @@ static enum dram_speeds get_sdram_index(void)
 		}
 
 	if (IS_ENABLED(CONFIG_BOARD_GOOGLE_GRU))
-		switch (id) {
-		case 0:
-			return dram_800MHz_NO_ODT;
-		default:
 			return dram_800MHz;
-		}
 }
 
 const struct rk3399_sdram_params *get_sdram_config()

src/mainboard/google/gru/sdram_params/Makefile.inc

@@ -15,11 +15,8 @@
 
 sdram-params :=
 
-sdram-params += sdram-lpddr3-hynix-4GB-200
 sdram-params += sdram-lpddr3-hynix-4GB-666
-sdram-params += sdram-lpddr3-hynix-4GB-666-no-odt
 sdram-params += sdram-lpddr3-hynix-4GB-800
-sdram-params += sdram-lpddr3-hynix-4GB-800-no-odt
 sdram-params += sdram-lpddr3-hynix-4GB-933
 
 $(foreach params,$(sdram-params), \