php: remove Blackfin patch

And renumber remaining patches.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/php/0006-avoid-bfin-gcc-segfault.patch

@@ -1,17 +0,0 @@
-Avoid gcc segmentation fault
-
-Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
-Signed-off-by: Adam Duskett <aduskett@gmail.com>
-[aduskett@gmail.com: Update for 7.2.2]
-diff -Nur php-7.0.12.orig/Zend/zend_portability.h php-7.0.12/Zend/zend_portability.h
---- php-7.0.12.orig/Zend/zend_portability.h	2016-10-13 16:04:17.000000000 +0200
-+++ php-7.0.12/Zend/zend_portability.h	2016-11-08 02:49:39.118388999 +0100
-@@ -95,7 +95,7 @@
- 
- #if defined(ZEND_WIN32) && !defined(__clang__)
- # define ZEND_ASSUME(c)	__assume(c)
--#elif ((defined(__GNUC__) && ZEND_GCC_VERSION >= 4005) || __has_builtin(__builtin_unreachable)) && PHP_HAVE_BUILTIN_EXPECT
-+#elif ((defined(__GNUC__) && ZEND_GCC_VERSION >= 4005) || __has_builtin(__builtin_unreachable)) && PHP_HAVE_BUILTIN_EXPECT && !defined(__bfin__)
- # define ZEND_ASSUME(c)	do { \
- 		if (__builtin_expect(!(c), 0)) __builtin_unreachable(); \
- 	} while (0)