feat：增加子模块

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "api"]
 	path = api
 	url = https://git.midea.com/DEP-MITBG/dep-mt/digitization-group/McuApi
+[submodule "tests/sim/sim_board/peripheral"]
+	path = tests/sim/sim_board/peripheral
+	url = https://git.midea.com/DEP-MITBG/dep-mt/digitization-group/PeripheralSim

tests/sim/sim_board/peripheral

@@ -0,0 +1 @@
+Subproject commit ea3b4bc25355340267fde8c7f9a5878a426f06b2