update source url

Signed-off-by: Toshaan Bharvani <toshaan@powerel.org>

SPECS/alsa-firmware.spec

@@ -9,7 +9,7 @@ Release:        8%{?dist}
 # See later in the spec for a breakdown of licensing
 License:        GPL+ and BSD and GPLv2+ and GPLv2 and LGPLv2+
 URL:            http://www.alsa-project.org/
-Source:         ftp://ftp.alsa-project.org/pub/firmware/%{name}-%{version}.tar.bz2
+Source:         https://ftp.alsa-project.org/pub/firmware/%{name}-%{version}.tar.bz2
 
 Requires:       alsa-tools-firmware >= 1.1.7
 Requires:       systemd