[uboot] Upgrade the MMF SDK from V4.0.0 to V4.1.0

1. add cv181x functions
	2. Delete some useless files and add .gitignore

Change-Id: Iea2b2fa43b5a1152e5e99fb32b88f8d2c249251a

u-boot-2021.10/drivers/mtd/spi/spi-nor-core.c

@@ -2759,6 +2759,7 @@ static int spi_nor_init_params(struct spi_nor *nor,
 		case SNOR_MFR_SPANSION:
 		case SNOR_MFR_BOYA:
 		case SNOR_MFR_PY:
+		case SNOR_MFR_FUDAN:
 			params->quad_enable = quad_enable_SR2_bit1;
 			break;