SoC common : arch: RISC-V compilation toolchain modification [1/4]

PD#SWPL-166566

Problem:
Different Versions of Toolchain Required Based on Chip Configuration

Solution:
Modified the Process of Finding RISC-V Toolchain

Verify:
N/A

Change-Id: I3a1be72e8466fcddb8063bec27b54abe9fc8c639
Signed-off-by: shijie.xiong <shijie.xiong@amlogic.com>
diff --git a/toolchain/gcc-riscv-none.tar.xz b/toolchain/gcc-riscv-none.tar.xz
deleted file mode 100644
index 77c5941..0000000
--- a/toolchain/gcc-riscv-none.tar.xz
+++ /dev/null
Binary files differ