Update regex for CM4. #202

CMakeLists.txt

@@ -33,8 +33,8 @@ if (BOARD_REVISION MATCHES "(0002)|(0003)|(0004)|(0005)|(0006)|(0007)|(0008)|(00
 elseif(BOARD_REVISION MATCHES "(a01041)|(a21041)")
 	message(STATUS "Detected this board to be a Pi 2 Model B < rev 1.2 with ARMv7-A instruction set CPU.")
 	set(DEFAULT_TO_ARMV7A ON)
-elseif(BOARD_REVISION MATCHES "(a02082)|(a22082)|(a020d3)|(9020e0)|(a03111)|(b03111)|(c03111)")
-	message(STATUS "Detected this Pi to be one of: Pi 2B rev. 1.2, 3B, 3B+, 3A+, CM3, CM3 lite or 4B(1GB,2GB,4GB RAM), with 4 hardware cores and ARMv8-A instruction set CPU.")
+elseif(BOARD_REVISION MATCHES "(a02082)|(a22082)|(a020d3)|(9020e0)|(a03111)|(b03111)|(b03140)|(c03111)")
+	message(STATUS "Detected this Pi to be one of: Pi 2B rev. 1.2, 3B, 3B+, 3A+, CM3, CM3 lite, CM4 or 4B(1GB,2GB,4GB RAM), with 4 hardware cores and ARMv8-A instruction set CPU.")
 	set(DEFAULT_TO_ARMV8A ON)
 else()
 	message(WARNING "The board revision of this hardware is not known. Please add detection to this board in CMakeLists.txt. (proceeding to compile against a generic multicore CPU)")