library/panic_unwind: Consolidate RV32 and RV64

Signed-off-by: Alistair Francis <[email protected]>

Author: alistair23

library/panic_unwind/src/gcc.rs

@@ -120,10 +120,7 @@ const UNWIND_DATA_REG: (i32, i32) = (24, 25); // I0, I1
 #[cfg(target_arch = "hexagon")]
 const UNWIND_DATA_REG: (i32, i32) = (0, 1); // R0, R1
 
-#[cfg(target_arch = "riscv64")]
-const UNWIND_DATA_REG: (i32, i32) = (10, 11); // x10, x11
-
-#[cfg(target_arch = "riscv32")]
+#[cfg(any(target_arch = "riscv64", target_arch = "riscv32"))]
 const UNWIND_DATA_REG: (i32, i32) = (10, 11); // x10, x11
 
 // The following code is based on GCC's C and C++ personality routines.  For reference, see: