CMake: Install runtime data
CMake: Install runtime data

This allows libiio.dll to be correctly installed into the runtime
directory (usually ${prefix}/bin) when compiled under MinGW.

Signed-off-by: Paul Cercueil <73d292422978d45c9eeef455bb1b24a0db453722@analog.com>

analogdevicesinc/libiio,sensarliar/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio,Sunderfield/libiio,gburca/libiio,Sunderfield/libiio,sensarliar/libiio,Sunderfield/libiio,gburca/libiio,sensarliar/libiio,gburca/libiio,analogdevicesinc/libiio