Fix pkgconfig dependencies (#43651)

pkgconfig is the virtual package, pkg-config and pkgconf are
implementations.

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

@@ -112,7 +112,7 @@ class Charliecloud(AutotoolsPackage):
     depends_on("libtool", type="build")
 
     # pkg-config is required for 0.36 regardless of variant.
-    depends_on("pkg-config", type="build", when="@0.36")
+    depends_on("pkgconfig", type="build", when="@0.36")
 
     # Image manipulation.
     depends_on("python@3.6:", type="run")
@@ -146,7 +146,7 @@ class Charliecloud(AutotoolsPackage):
     # approach with squashfuse could implemented in a different variant.
     with when("+squashfuse"):
         depends_on("libfuse@3:", type=("build", "run", "link"), when="@0.32:")
-        depends_on("pkg-config", type="build", when="@0.37:")
+        depends_on("pkgconfig", type="build", when="@0.37:")
         depends_on("squashfuse@0.1.105:0.2.0,0.4.0:", type="build", when="@0.36:")
         depends_on("squashfuse@0.1.105:0.2.0,0.4.0", type="build", when="@0.35")
         depends_on("squashfuse@0.1.105", type="build", when="@0.32:0.34")

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

@@ -143,7 +143,7 @@ class Hpctoolkit(AutotoolsPackage, MesonPackage):
             depends_on("libtool", type="build")
 
         with when("@2024.02:"):
-            depends_on("pkgconf", type="build")
+            depends_on("pkgconfig", type="build")
             depends_on("cmake", type="build")
 
     boost_libs = (

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

@@ -59,7 +59,7 @@ class Yosys(MakefilePackage):
     depends_on("bison")
     depends_on("libffi")
     depends_on("readline")
-    depends_on("pkg-config")
+    depends_on("pkgconfig")
     depends_on("tcl")
     depends_on("zlib")
     depends_on("llvm")