gnu: sdcc: Update to 4.3.0.

* gnu/packages/embedded.scm (sdcc): Update to 4.3.0.
* gnu/packages/patches/sdcc-disable-non-free-code.patch: Update to match new
version.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu/packages/embedded.scm

@@ -1637,7 +1637,7 @@ PicoBlaze; and Zilog Z80 families, plus many of their variants.")
 (define-public sdcc
   (package
     (name "sdcc")
-    (version "4.2.0")
+    (version "4.3.0")
     (source (origin
               (method url-fetch)
               (uri (string-append
@@ -1645,7 +1645,7 @@ PicoBlaze; and Zilog Z80 families, plus many of their variants.")
                     "/" version "/sdcc-src-" version ".tar.bz2"))
               (sha256
                (base32
-                "0ly0m3q9vzjb9kcfjh79s77wpl4w7xhybzy4h9x0bmmw4cfsx6xl"))
+                "1kckr20jqa4rp4qcw38lwagmw3yfm3z0xb4kygd0608847qc0vra"))
               (modules '((guix build utils)))
               (snippet
                #~(begin