platforms/nuttx: Add SIM compilation for WAMR (#581)

N/A

Signed-off-by: zhouliang3 <zhouliang3@xiaomi.com>
Change-Id: Ic95cd0fa1b386c80e2cc3e8037cc638710a1c8a9

Co-authored-by: zhouliang3 <zhouliang3@xiaomi.com>

Author: DS-LK

product-mini/platforms/nuttx/wamr.mk

@@ -16,7 +16,9 @@ WAMR_BUILD_TARGET := X86_64
 else ifeq ($(CONFIG_ARCH_XTENSA),y)
 WAMR_BUILD_TARGET := XTENSA
 else ifeq ($(CONFIG_ARCH_SIM),y)
-ifeq ($(CONFIG_HOST_X86_64),y)
+ifeq ($(CONFIG_SIM_M32),y)
+WAMR_BUILD_TARGET := X86_32
+else
 WAMR_BUILD_TARGET := X86_64
 endif
 ifeq ($(CONFIG_HOST_MACOS),y)