Fix MCU script transformation logic.
Fix MCU script transformation logic.

The old script behaved incorrectly as it replaced all '*' occurrences
with the list of files in the given directory.

JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com

gabrielschulhof/jerryscript,jerryscript-project/jerryscript,LeeHayun/jerryscript,slaff/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,glistening/jerryscript,LeeHayun/jerryscript,tilmannOSG/jerryscript,LeeHayun/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,dbatyai/jerryscript,robertsipka/jerryscript,bsdelf/jerryscript,jack60504/jerryscript,gabrielschulhof/jerryscript,LeeHayun/jerryscript,zherczeg/jerryscript,grgustaf/jerryscript,gabrielschulhof/jerryscript,jerryscript-project/jerryscript,grgustaf/jerryscript,yichoi/jerryscript,slaff/jerryscript,zherczeg/jerryscript,loki04/jerryscript,martijnthe/jerryscript,robertsipka/jerryscript,dbatyai/jerryscript,LaszloLango/jerryscript,martijnthe/jerryscript,bzsolt/jerryscript,bsdelf/jerryscript,robertsipka/jerryscript,bzsolt/jerryscript,bzsolt/jerryscript,jack60504/jerryscript,zherczeg/jerryscript,robertsipka/jerryscript,yichoi/jerryscript,jack60504/jerryscript,bsdelf/jerryscript,akosthekiss/jerryscript,zherczeg/jerryscript,grgustaf/jerryscript,jack60504/jerryscript,tilmannOSG/jerryscript,glistening/jerryscript,slaff/jerryscript,martijnthe/jerryscript,loki04/jerryscript,glistening/jerryscript,LaszloLango/jerryscript,gabrielschulhof/jerryscript,bsdelf/jerryscript,jerryscript-project/jerryscript,loki04/jerryscript,dbatyai/jerryscript,glistening/jerryscript,jack60504/jerryscript,glistening/jerryscript,bzsolt/jerryscript,dbatyai/jerryscript,LaszloLango/jerryscript,loki04/jerryscript,slaff/jerryscript,tilmannOSG/jerryscript,akosthekiss/jerryscript,LaszloLango/jerryscript,robertsipka/jerryscript,tilmannOSG/jerryscript,yichoi/jerryscript,bsdelf/jerryscript,bsdelf/jerryscript,dbatyai/jerryscript,LaszloLango/jerryscript,grgustaf/jerryscript,jack60504/jerryscript,yichoi/jerryscript,martijnthe/jerryscript,loki04/jerryscript,gabrielschulhof/jerryscript,zherczeg/jerryscript,loki04/jerryscript,glistening/jerryscript,tilmannOSG/jerryscript,grgustaf/jerryscript,LeeHayun/jerryscript,martijnthe/jerryscript,robertsipka/jerryscript,bzsolt/jerryscript,akosthekiss/jerryscript,martijnthe/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,slaff/jerryscript