Convert CONFIG_FSL_SATA_V2 to Kconfig

This converts the following to Kconfig:
   CONFIG_FSL_SATA_V2

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/P5040DS_NAND_defconfig b/configs/P5040DS_NAND_defconfig
index 6e0bdb2..ac4bb3b 100644
--- a/configs/P5040DS_NAND_defconfig
+++ b/configs/P5040DS_NAND_defconfig
@@ -45,6 +45,7 @@
 CONFIG_USE_ETHPRIME=y
 CONFIG_ETHPRIME="FM1@DTSEC1"
 CONFIG_DM=y
+CONFIG_FSL_SATA_V2=y
 CONFIG_SYS_SATA_MAX_DEVICE=2
 CONFIG_FSL_CAAM=y
 CONFIG_DDR_ECC=y