Revert "arm64: xilinx: Set CONFIG_ZYNQMP_FIRMWARE config for mini emmc"

Revert "arm64: xilinx: Set CONFIG_ZYNQMP_FIRMWARE config for mini emmc"

This reverts commit 122ca834f2f4a9d70abeece3d1ff200a3556ab24.

Disable CONFIG_ZYNQMP_FIRMWARE config from zynqmp & versal mini emmc
defconfig files, as mini emmc does not use any firmware.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Acked-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/f73a50980d3af894f1e86cfc98742dbdec573760.1651048242.git.michal.simek@xilinx.com