hostapd: Remove add-sysroot-to-gcc.patch

The patch has not been available in the 2.4 version form and thus the
recipe was unbuildable.

Fix by removing the patch file, which is unused, and the reference for
it from the recipe.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-connectivity/hostapd/hostapd/add-sysroot-to-gcc.patch

@@ -1,40 +0,0 @@
-Upstream-Status: Pending
-
-We should make sure that sysroot is used by gcc instead of assuming
-hardcoded locations for include paths
-
-Signed-off-by: Roy Li <rongqing.li@windriver.com>
----
- src/drivers/drivers.mak | 2 +-
- src/drivers/drivers.mk  | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/src/drivers/drivers.mak b/src/drivers/drivers.mak
-index 7e175f4..950701f 100644
---- a/src/drivers/drivers.mak
-+++ b/src/drivers/drivers.mak
-@@ -35,7 +35,7 @@ NEED_RFKILL=y
- ifdef CONFIG_LIBNL32
-   DRV_LIBS += -lnl-3
-   DRV_LIBS += -lnl-genl-3
--  DRV_CFLAGS += -DCONFIG_LIBNL20 -I/usr/include/libnl3
-+  DRV_CFLAGS += -DCONFIG_LIBNL20 -I=/usr/include/libnl3
- else
-   ifdef CONFIG_LIBNL_TINY
-     DRV_LIBS += -lnl-tiny
-diff --git a/src/drivers/drivers.mk b/src/drivers/drivers.mk
-index db8561a..c93e88d 100644
---- a/src/drivers/drivers.mk
-+++ b/src/drivers/drivers.mk
-@@ -30,7 +30,7 @@ NEED_RFKILL=y
- ifdef CONFIG_LIBNL32
-   DRV_LIBS += -lnl-3
-   DRV_LIBS += -lnl-genl-3
--  DRV_CFLAGS += -DCONFIG_LIBNL20 -I/usr/include/libnl3
-+  DRV_CFLAGS += -DCONFIG_LIBNL20 -I=/usr/include/libnl3
- else
-   ifdef CONFIG_LIBNL_TINY
-     DRV_LIBS += -lnl-tiny
--- 
-2.1.2
-

meta-oe/recipes-connectivity/hostapd/hostapd_2.4.bb

@@ -18,7 +18,6 @@ SRC_URI = " \
     file://defconfig \
     file://init \
     file://hostapd.service \
-    file://add-sysroot-to-gcc.patch;patchdir=.. \
 "
 
 S = "${WORKDIR}/hostapd-${PV}/hostapd"