VCCIO for Bank 67 & 68 is from PMIC LDO1 which is 100mA. Supply limit is based on the actual FPGA design and clock speed.
Create actual the FPGA design and find the required current using Vivado tool.
For further inquiries, please get in touch with mktg@iwave-global.com
Please find the detailed G35M product information in the below link,