mt7623: fix a typo in include/configs/mt7623.h

Fix typo: neede -> needed

diff --git a/include/configs/mt7623.h b/include/configs/mt7623.h
index 68da920..ba76350 100644
--- a/include/configs/mt7623.h
+++ b/include/configs/mt7623.h
@@ -46,7 +46,7 @@
 /* DRAM */
 #define CONFIG_SYS_SDRAM_BASE		0x80000000
 
-/* This is neede for kernel booting */
+/* This is needed for kernel booting */
 #define FDT_HIGH			"fdt_high=0xac000000\0"
 
 /* Extra environment variables */