ARM: tegra: replace V_PROMPT define with kconfig

Commit 181bd9dc "kconfig: add config option for shell prompt" replaced
define V_PROMPT with Kconfig option SYS_PROMPT. This crossed with patches
adding Tegra T210 boards. Migrate the boards to the new scheme.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>

configs/e2220-1170_defconfig

@@ -15,3 +15,4 @@ CONFIG_TEGRA114_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_SYS_PROMPT="Tegra210 (E2220-1170) # "

configs/p2371-0000_defconfig

@@ -15,3 +15,4 @@ CONFIG_TEGRA114_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_SYS_PROMPT="Tegra210 (P2371-0000) # "

configs/p2371-2180_defconfig

@@ -15,3 +15,4 @@ CONFIG_SPI_FLASH=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_SYS_PROMPT="Tegra210 (P2371-2180) # "

configs/p2571_defconfig

@@ -15,3 +15,4 @@ CONFIG_TEGRA114_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_SYS_PROMPT="Tegra210 (P2571) # "

include/configs/e2220-1170.h

@@ -13,7 +13,6 @@
 #include "tegra210-common.h"
 
 /* High-level configuration options */
-#define V_PROMPT			"Tegra210 (E2220-1170) # "
 #define CONFIG_TEGRA_BOARD_STRING	"NVIDIA E2220-1170"
 
 /* Board-specific serial config */

include/configs/p2371-0000.h

@@ -13,7 +13,6 @@
 #include "tegra210-common.h"
 
 /* High-level configuration options */
-#define V_PROMPT			"Tegra210 (P2371-0000) # "
 #define CONFIG_TEGRA_BOARD_STRING	"NVIDIA P2371-0000"
 
 /* Board-specific serial config */

include/configs/p2371-2180.h

@@ -13,7 +13,6 @@
 #include "tegra210-common.h"
 
 /* High-level configuration options */
-#define V_PROMPT			"Tegra210 (P2371-2180) # "
 #define CONFIG_TEGRA_BOARD_STRING	"NVIDIA P2371-2180"
 
 /* Board-specific serial config */

include/configs/p2571.h

@@ -13,7 +13,6 @@
 #include "tegra210-common.h"
 
 /* High-level configuration options */
-#define V_PROMPT			"Tegra210 (P2571) # "
 #define CONFIG_TEGRA_BOARD_STRING	"NVIDIA P2571"
 
 /* Board-specific serial config */