Fixes and Changes

3861: Add the FPU field to the <Cpu> tag in Keil https://github.com/ARMmbed/mbed-os/pull/3861
3868: Updated includes of renamed platform header files https://github.com/ARMmbed/mbed-os/pull/3868
3870: Export: fix issue #3865 - cmsis-dap swd https://github.com/ARMmbed/mbed-os/pull/3870
3871: Increase HEAP size for UBLOX_EVK_ODIN_W2 and NUCLEO_F429ZI https://github.com/ARMmbed/mbed-os/pull/3871