mips: mt76xx: gardena-smart-gateway: Correct spelling of GARDENA

This patch changes Gardena to the correct GARDENA spelling. Also the
platform name is "GARDENA smart Gateway". This patch changes the
incorrect occurrances.
Signed-off-by: NStefan Roese <sr@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>

arch/mips/dts/gardena-smart-gateway-mt7688.dts

@@ -10,7 +10,7 @@
 
 / {
 	compatible = "gardena,smart-gateway-mt7688", "ralink,mt7628a-soc";
-	model = "Gardena smart-Gateway-MT7688";
+	model = "GARDENA smart Gateway (MT7688)";
 
 	aliases {
 		serial0 = &uart0;

arch/mips/mach-mt7620/Kconfig

@@ -22,12 +22,12 @@ choice
 	prompt "Board select"
 
 config BOARD_GARDENA_SMART_GATEWAY_MT7688
-	bool "Gardena Smart Gateway"
+	bool "GARDENA smart Gateway"
 	depends on SOC_MT7620
 	select BOARD_LATE_INIT
 	select SUPPORTS_BOOT_RAM
 	help
-	  Gardena Smart Gateway boards have a MT7688 SoC with 128 MiB of RAM
+	  GARDENA smart Gateway boards have a MT7688 SoC with 128 MiB of RAM
 	  and 8 MiB of flash (SPI NOR) and additional SPI NAND storage.
 
 config BOARD_LINKIT_SMART_7688