Correct DPFPU and FPU handling for NuttX (#1027)
Correct DPFPU and FPU handling for NuttX (#1027)

Since DPFPU depends on FPU, if FPU is enabled we will never enter DPFPU
branch since `ifeq (${CONFIG_ARCH_FPU}, y)` is always true.

Signed-off-by: Huang Qi <d5ddc73b08badd4d7d9ae5463eeb895d1f50627d@xiaomi.com>
bytecodealliance/wasm-micro-runtime,bytecodealliance/wasm-micro-runtime,bytecodealliance/wasm-micro-runtime,bytecodealliance/wasm-micro-runtime,bytecodealliance/wasm-micro-runtime,bytecodealliance/wasm-micro-runtime,bytecodealliance/wasm-micro-runtime,bytecodealliance/wasm-micro-runtime