external: defconfig: Add support for f2fs and crc32 (torvalds#32)

Add support for f2fs and it's dependency crc32 to rock64.

This patch may or may not need to be included as well due to this bug https://bugs.debian.org/819725    A official patch was added by Debian https://salsa.debian.org/kernel-team/linux/blob/master/debian/patches/bugfix/all/fs-add-module_softdep-declarations-for-hard-coded-cr.patch

Author: ShapeShifter499

arch/arm64/configs/rockchip_linux_defconfig

@@ -1160,6 +1160,14 @@ CONFIG_ROCKCHIP_SIP=y
 # CONFIG_ACPI is not set
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_F2FS_FS=m
+CONFIG_F2FS_STAT_FS=y
+CONFIG_F2FS_FS_XATTR=y
+CONFIG_F2FS_FS_POSIX_ACL=y
+CONFIG_F2FS_FS_SECURITY=y
+CONFIG_F2FS_FS_ENCRYPTION=y
+# CONFIG_F2FS_IO_TRACE is not set
+# CONFIG_F2FS_FAULT_INJECTION is not set
 CONFIG_EXT4_FS_SECURITY=y
 CONFIG_JFS_FS=y
 CONFIG_JFS_POSIX_ACL=y
@@ -1257,6 +1265,8 @@ CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE=0
 CONFIG_SECURITY_YAMA=y
 CONFIG_TEE_SUPPORT=y
 CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_CRYPTO_CRC32C=m
+CONFIG_CRYPTO_CRC32=m
 CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_PCRYPT=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
@@ -1278,11 +1288,14 @@ CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
 CONFIG_X509_CERTIFICATE_PARSER=y
 CONFIG_PKCS7_MESSAGE_PARSER=y
 CONFIG_ARM64_CRYPTO=y
+CONFIG_CRYPTO_CRC32_ARM64_CE=y
 CONFIG_CRYPTO_SHA1_ARM64_CE=y
 CONFIG_CRYPTO_SHA2_ARM64_CE=y
 CONFIG_CRYPTO_GHASH_ARM64_CE=y
 CONFIG_CRYPTO_AES_ARM64_CE_CCM=y
 CONFIG_CRYPTO_AES_ARM64_CE_BLK=y
+CONFIG_CRC32=y
+# CONFIG_CRC32_SELFTEST is not set
 CONFIG_CRC_CCITT=y
 CONFIG_CRC_T10DIF=y
 CONFIG_CRC7=y