asdk-repo-libdce

[LIBDCE] Rename Makefile to Makefile.qnx

LIBDCE is common component for Linux, Android and QNX.
Linux is using automake tools which create a file by name
of Makefile which overwrite the Makefile intended for QNX.

Prior to this patch, the command to build LIBDCE for QNX:
Command to clean:
    make clean
Command to build:
    make
Command to build and install the output to install folder:
    make install

After this patch, the command to build LIBDCE for QNX:
Command to clean:
    make -f Makefile.qnx clean
Command to build:
    make -f Makefile.qnx
Command to build and install the output to install folder:
    make -f Makefile.qnx install

Change-Id: Iaa76d4d6c51a510dc6ccd19fdd45865c4cb46c18
Signed-off-by: buddy.liong <buddy.budiono@ti.com>