firefox: restore build on big endian ppc64

srcpkgs/firefox/patches/ppc64-be-authenticator.patch

@@ -0,0 +1,23 @@
+From ccc37892133ded64a8715e84b4427d8081ddb73c Mon Sep 17 00:00:00 2001
+From: q66 <daniel@octaforge.org>
+Date: Fri, 13 Mar 2020 16:11:27 +0100
+Subject: [PATCH] add ppc64 BE ioctl bindings
+
+these are the same as the LE ones...
+---
+ third_party/rust/authenticator/src/linux/ioctl_powerpc64be.rs | 3 +++
+ 1 file changed, 3 insertions(+)
+ create mode 100644 third_party/rust/authenticator/src/linux/ioctl_powerpc64be.rs
+
+diff --git third_party/rust/authenticator/src/linux/ioctl_powerpc64be.rs third_party/rust/authenticator/src/linux/ioctl_powerpc64be.rs
+new file mode 100644
+index 0000000..552d210
+--- /dev/null
++++ third_party/rust/authenticator/src/linux/ioctl_powerpc64be.rs
+@@ -0,0 +1,3 @@
++/* automatically generated by rust-bindgen */
++
++pub type __u32 = :: std :: os :: raw :: c_uint ; pub const _HIDIOCGRDESCSIZE : __u32 = 1074022401 ; pub const _HIDIOCGRDESC : __u32 = 1342457858 ;
+-- 
+2.25.1
+