libdl/Makefile.am: Need preinstall on all targets
libdl/rtl-mdreloc-bfin.c: Include rtems/rtl/rtl.h not rtl.h
sapi/src/testextension.c: Fix warnings
lm3s3749-testsuite.tcfg: Add dl01
lpc1768_mbed_ahb_ram_eth-testsuite.tcfg: Add rbheap01
lpc2362-testsuite.tcfg: Add dl01
lpc23xx_tli800-testsuite.tcfg: Add dl01