Clean up the spec file and change the versioning policy of shared object.

Clean up the spec file and change the versioning policy of shared object.

 - If user install these packages after this commit,
  symbolic links are created as shown below.

 [Packages for Installation] - Exclude .so file
  install dir = /usr/lib/
  libtpl-egl.so.{TPL_VERSION_MAJOR} -> libtpl-egl.so.{TPL_VERSION}
  libtpl-egl.so.{TPL_VERSION}
  libwayland-egl.so.{WL_EGL_VERSION_MAJOR} -> libwayland-egl.so.{WL_EGL_VERSION}
  libwayland-egl.so.{WL_EGL_VERSION}

 [Devel Packages] - Include .so files
  libtpl-egl.so -> libtpl-egl.so.{TPL_VERSION}
  libwayland-egl.so -> libwayland-egl.so.{WL_EGL_VERSION}

Change-Id: I9200e542a91d21caf7f97a0b0289e78bb6da07d5
Signed-off-by: joonbum.ko <joonbum.ko@samsung.com>