qtwebengine: refresh the patches to apply

* 4 musl patches didn't apply at all
* 0015-chromium-musl-include-asm-generic-ioctl.h-for-TCGETS.patch is
  dropped, because whole chromium/device/serial/serial_io_handler_posix.cc
  was removed in upgrade to 73:
  commit 38a9a29f4f9436cace7f0e7abf9c586057df8a4e
  Author: Allan Sandfeld Jensen <allan.jensen@qt.io>
  Date:   Wed Feb 13 16:23:34 2019 +0100
  Subject: BASELINE: Update Chromium to 73.0.3683.37

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/recipes-qt/qt5/qtwebengine/chromium/0017-chromium-musl-elf_reader.cc-include-sys-reg.h-to-get.patch b/recipes-qt/qt5/qtwebengine/chromium/0017-chromium-musl-elf_reader.cc-include-sys-reg.h-to-get.patch
index 87849bc4..f2d39138 100644
--- a/recipes-qt/qt5/qtwebengine/chromium/0017-chromium-musl-elf_reader.cc-include-sys-reg.h-to-get.patch
+++ b/recipes-qt/qt5/qtwebengine/chromium/0017-chromium-musl-elf_reader.cc-include-sys-reg.h-to-get.patch
@@ -1,4 +1,4 @@
-From 1cc81d323479a164f5f64033b284658ef9c49e0b Mon Sep 17 00:00:00 2001
+From e5c0314a43a30f2cef8bb72560e2cec0ed603e01 Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Tue, 25 Sep 2018 12:59:05 -0700
 Subject: [PATCH] chromium: musl: elf_reader.cc: include <sys/reg.h> to get