Fix the build issues caused by pattern rules
Fix the build issues caused by pattern rules

'.' should be added about the pattern rules.
I tried both on debian9 and Cygwin, the build failed.

Based on examples in 'https://www.gnu.org/software/make/manual/make.html',
the dots should be added.

runmec/stm32f10x_makefile_freertos,runmec/stm32f10x_makefile_freertos,runmec/stm32f10x_makefile_freertos,runmec/stm32f10x_makefile_freertos