imx: ventana: hang if board model could not be determined

If the EEPROM could not be read or is corrupt we always want to hang.
Note that an error message will have been displayed by read_eeprom in this
case.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

board/gateworks/gw_ventana/gw_ventana_spl.c

@@ -515,10 +515,8 @@ void board_init_f(ulong dummy)
 	setup_iomux_gpio(board_model, &ventana_info);
 
 	/* provide some some default: 32bit 128MB */
-	if (GW_UNKNOWN == board_model) {
-		ventana_info.sdram_width = 2;
-		ventana_info.sdram_size = 3;
-	}
+	if (GW_UNKNOWN == board_model)
+		hang();
 
 	/* configure MMDC for SDRAM width/size and per-model calibration */
 	spl_dram_init(8 << ventana_info.sdram_width,