riscv: support building double-float modules
The riscv32 toolchain for GCC-12 provided by kernel.org contains libgcc.a compiled for double-float. To link to it we have to adjust how we build U-Boot. As U-Boot actually does not use floating point at all this should not make a significant difference for the produced binaries. Signed-off-by:Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by:
Rick Chen <rick@andestech.com> Reviewed-by:
Leo Yu-Chi Liang <ycliang@andestech.com>
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