Update symbian2/sdkFiles.txt with missing S^1 SDK header files
Sort the list into order, and use the filename case as found in PDK 2.0.2
source,dst,type,pattern,sysdef
//v800008/Builds01/mercurial_development/oss/MCL/utilities/,/utilities,branch,default,
//v800008/Builds01/mercurial_development/rnd/internal/epoc_additional/,/rnd/internal/epoc_additional,branch,RCL_1,
//v800008/Builds01/mercurial_development/sfl/FCL/sf/os/deviceplatformrelease/,/sf/os/deviceplatformrelease,branch,RCL_1,layers.sysdef.xml
//v800008/Builds01/mercurial_development/sfl/FCL/sf/os/kernelhwsrv/,/sf/os/kernelhwsrv,branch,RCL_1,layers.sysdef.xml
//v800008/Builds01/mercurial_development/sfl/FCL/sf/os/buildtools/,/sf/os/buildtools,branch,RCL_1,layers.sysdef.xml