[helas] in gg_tt.mad cudacpp.mk, add -fgpu-rdc --hip-link to the chec…

…k_hip.exe link on hip for HELINL=L, the build succeeds but at runtime it fails

The execution fails with
./check_hip.exe -p 1 8 1
ERROR! assertGpu: 'shared object initialization failed' (303) in CPPProcess.cc:558

In addition, the hip link of fcheck_hip.exe fails with
ftn --cray-bypass-pkgconfig -craype-verbose -ffixed-line-length-132 -o fcheck_hip.exe ./fcheck_sa_fortran.o ./fsampler_hip.o -L../../lib -lmg5amc_common_hip -Xlinker -rpath='$ORIGIN/../../lib'  -lgfortran -L../../lib -lmg5amc_gg_ttx_hip ./CommonRandomNumberKernel_hip.o ./RamboSamplingKernels_hip.o -lstdc++ -L/opt/rocm-6.0.3/lib -lamdhip64
gfortran-13 -march=znver3 -D__CRAY_X86_TRENTO -D__CRAY_AMD_GFX90A -D__CRAYXT_COMPUTE_LINUX_TARGET -D__TARGET_LINUX__ -ffixed-line-length-132 -o fcheck_hip.exe ./fcheck_sa_fortran.o ./fsampler_hip.o -L../../lib -lmg5amc_common_hip -Xlinker -rpath=$ORIGIN/../../lib -lgfortran -L../../lib -lmg5amc_gg_ttx_hip ./CommonRandomNumberKernel_hip.o ./RamboSamplingKernels_hip.o -lstdc++ -L/opt/rocm-6.0.3/lib -lamdhip64 -Wl,-Bdynamic -Wl,--as-needed,-lgfortran,-lquadmath,--no-as-needed -Wl,--as-needed,-lpthread,--no-as-needed -Wl,--disable-new-dtags
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../x86_64-suse-linux/bin/ld: ../../lib/libmg5amc_gg_ttx_hip.so: undefined reference to `__hip_fatbin'

epochX/cudacpp/gg_tt.mad/SubProcesses/cudacpp.mk

@@ -800,6 +800,7 @@ $(BUILDDIR)/CPPProcess_$(GPUSUFFIX).o: GPUFLAGS += -rdc true # compilation fails
 $(BUILDDIR)/HelAmps_$(GPUSUFFIX).o: GPUFLAGS += -rdc true # runtime fails if this is not added ('invalid device symbol' in CPPProcess.cc cHel to tHel copy)
 else ifeq ($(findstring hipcc,$(GPUCC)),hipcc) # AMD GPU build
 $(BUILDDIR)/CPPProcess_$(GPUSUFFIX).o: GPUFLAGS += -fgpu-rdc # compilation fails if this is not added (lld: error: undefined hidden symbol: mg5amcGpu::linker_CD_FFV1_0)
+$(gpu_checkmain): LIBFLAGS += -fgpu-rdc --hip-link
 endif
 endif