platform: Fix llvm-objcopy and use new clang-wrapper flags

Signed-off-by: Dakkshesh <dakkshesh5@gmail.com>

Author: dakkshesh07

platform.txt

@@ -21,15 +21,15 @@ compiler.warning_flags.all=-Wall -Wextra
 compiler.path={runtime.tools.cba-llvm.path}/bin/
 compiler.c.cmd=clang-wrapper
 compiler.c.flags=--target=avr -c -g -Os {compiler.warning_flags} --skip-lto=wiring.c --sysroot={runtime.tools.cba-avr-sysroot.path} -std=gnu11 -ffunction-sections -fdata-sections -MMD -flto -fno-fat-lto-objects
-compiler.c.elf.flags=--target=avr {compiler.warning_flags} --sysroot={runtime.tools.cba-avr-sysroot.path} -Os -g -flto -fuse-linker-plugin -ffunction-sections -fdata-sections -Wl,--gc-sections -fuse-ld={runtime.tools.cba-avr-bfd.path}/bin/ld.bfd
-compiler.c.elf.cmd=clang++
+compiler.c.elf.flags=--target=avr {compiler.warning_flags} --sysroot={runtime.tools.cba-avr-sysroot.path} -Os -g -flto -fuse-linker-plugin -ffunction-sections -fdata-sections -Wl,--gc-sections --bfd-dir={runtime.tools.cba-avr-bfd.path} --llvmgold-dir={runtime.tools.cba-llvmgold.path}
+compiler.c.elf.cmd=clang++-wrapper
 compiler.S.flags=--target=avr --sysroot={runtime.tools.cba-avr-sysroot.path} -c -g -x assembler-with-cpp -flto -MMD
 compiler.cpp.cmd=clang++-wrapper
 compiler.cpp.flags=--target=avr -c -g -Os {compiler.warning_flags} --skip-lto=HardwareSerial0.cpp --sysroot={runtime.tools.cba-avr-sysroot.path} -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fno-rtti -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto
 compiler.ar.cmd=llvm-ar
 compiler.ar.flags=rcs
 compiler.objcopy.cmd=llvm-objcopy
-compiler.objcopy.eep.flags=-O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0
+compiler.objcopy.eep.flags=-O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load
 compiler.elf2hex.flags=-O ihex -R .eeprom
 compiler.elf2hex.cmd=llvm-objcopy
 compiler.ldflags=