Revert "qtbase: update patch to 5.5"

This reverts commit 5027055e.

recipes-qt/qt5/qtbase/0001-Forces-GLES2-the-dirty-way.patch

-From 8231557cb3d2ee01382ceae0e76d74358a40afc0 Mon Sep 17 00:00:00 2001
+From d742716a87b867900b26e4be4508f0045345406c Mon Sep 17 00:00:00 2001
 From: Florent Revest <revestflo@gmail.com>
-Date: Sat, 12 Dec 2015 18:50:02 +0100
+Date: Thu, 20 Aug 2015 20:22:21 +0200
 Subject: [PATCH] Forces GLES2 the dirty way
 
 ---
@@ -8,18 +8,18 @@ Subject: [PATCH] Forces GLES2 the dirty way
  1 file changed, 2 insertions(+)
 
 diff --git a/src/platformsupport/eglconvenience/qeglplatformcontext.cpp b/src/platformsupport/eglconvenience/qeglplatformcontext.cpp
-index bffb0eb..cdd482b 100644
+index 7cc3300..0beda2c 100644
 --- a/src/platformsupport/eglconvenience/qeglplatformcontext.cpp
 +++ b/src/platformsupport/eglconvenience/qeglplatformcontext.cpp
-@@ -306,6 +306,8 @@ void QEGLPlatformContext::updateFormatFromGL()
-                         minor = 0;
-                     }
- #endif
+@@ -273,6 +273,8 @@ void QEGLPlatformContext::updateFormatFromGL()
+                 QByteArray version = QByteArray(reinterpret_cast<const char *>(s));
+                 int major, minor;
+                 if (QPlatformOpenGLContext::parseOpenGLVersion(version, major, minor)) {
 +                    major = 2;
 +                    minor = 0;
                      m_format.setMajorVersion(major);
                      m_format.setMinorVersion(minor);
                  }
 -- 
-2.6.2
+2.5.0