x86: theadorable-x86-xxx_defconfig: Enable setexpr command

The setexpr command is useful for scripting, lets enable it for all
x86 based theadorable platforms.
Signed-off-by: NStefan Roese <sr@denx.de>
Cc: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: NBin Meng <bmeng.cn@gmail.com>

configs/theadorable-x86-conga-qa3-e3845-pcie-x4_defconfig

@@ -27,7 +27,6 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
-# CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y

configs/theadorable-x86-conga-qa3-e3845_defconfig

@@ -26,7 +26,6 @@ CONFIG_CMD_MMC=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
-# CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y

configs/theadorable-x86-dfi-bt700_defconfig

@@ -25,7 +25,6 @@ CONFIG_CMD_PART=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
-# CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_DHCP=y
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_PING=y