Force rocm dependency on hipfft with +rocm is given (spack#48211)

Make sure that hipfft+rocm is explicit when +rocm is true.

Co-authored-by: Rocco Meli <[email protected]>

Author: mtaillefumier

var/spack/repos/builtin/packages/spfft/package.py

@@ -63,7 +63,7 @@ class Spfft(CMakePackage, CudaPackage, ROCmPackage):
 
     with when("+rocm"):
         depends_on("rocfft")
-        depends_on("hipfft")
+        depends_on("hipfft+rocm")
         # hip 6.0 requires v1.1.0 and later
         conflicts("^[email protected]:", when="@:1.0.6 +rocm")