video: vesa: Correct a typo in the Kconfig VESA mode string

There is one typo in the VESA mode 105h string. Correct it.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

drivers/video/Kconfig

@@ -44,7 +44,7 @@ config FRAMEBUFFER_VESA_MODE_104
 	bool "1024x768 16-color"
 
 config FRAMEBUFFER_VESA_MODE_105
-	bool "1024x7686 256-color"
+	bool "1024x768 256-color"
 
 config FRAMEBUFFER_VESA_MODE_106
 	bool "1280x1024 16-color"