gnu: american-fuzzy-lop: Add support for powerpc-linux.

* gnu/packages/debug.scm (american-fuzzy-lop): Add case for
powerpc-linux.
(qemu-for-american-fuzzy-lop): Same.

gnu/packages/debug.scm

@@ -179,6 +179,7 @@ (define-public american-fuzzy-lop
                    ("aarch64-linux"  "aarch64")
                    ("armhf-linux"    "arm")
                    ("mips64el-linux" "mips64el")
+                   ("powerpc-linux"  "ppc")
                    ;; Prevent errors when querying this package on unsupported
                    ;; platforms, e.g. when running "guix package --search="
                    (_                "UNSUPPORTED"))))
@@ -254,6 +255,7 @@ (define-public qemu-for-american-fuzzy-lop
                    ("aarch64-linux"  "aarch64")
                    ("armhf-linux"    "arm")
                    ("mips64el-linux" "mips64el")
+                   ("powerpc-linux"  "ppc")
                    ;; Prevent errors when querying this package on unsupported
                    ;; platforms, e.g. when running "guix package --search="
                    (_                "UNSUPPORTED"))))