linker: riscv: Relocate .eh_frame symbol

The .eh_frame symbol was causing __data_rom_start to contain the wrong
offset into the ROM, resulting in corrupt data copied into RAM by
_data_copy(). Fix by placing the .eh_frame in the .text section as is
done in include/arch/x86/linker.ld

Signed-off-by: Nathaniel Graff <nathaniel.graff@sifive.com>
1 file changed