[packages] libsrtp:

- move srtp to libsrtp, rename package from srtp to libsrtp
  - use CONIGURE_ARGS instead of overriding Build/Configure
  - use PKG_INSTALL instead of overriding Build/Compile
  - refresh patches

git-svn-id: svn://svn.openwrt.org/openwrt/packages@29808 3c298f89-4303-0410-b956-a3cf2f4a3e73

libs/libsrtp/patches/1005_fix_data_alignment.patch

@@ -0,0 +1,33 @@
+Description: Fix data alignment
+Author: "Martin Guy" <martinwguy@yahoo.it>
+Origin: vendor, http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;bug=470505
+Bug: http://sourceforge.net/tracker/index.php?func=detail&aid=1912057&group_id=38894&atid=423799
+Bug-Debian: http://bugs.debian.org/470505
+Last-Update: 2011-05-30
+--- a/test/srtp_driver.c
++++ b/test/srtp_driver.c
+@@ -1129,7 +1129,6 @@ mips_estimate(int num_trials, int *ignor
+  * These packets were made with the default SRTP policy.
+  */
+ 
+-
+ err_status_t
+ srtp_validate() {
+   unsigned char test_key[30] = {
+@@ -1144,14 +1143,14 @@ srtp_validate() {
+     0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 
+     0xab, 0xab, 0xab, 0xab
+   };
+-  uint8_t srtp_plaintext[38] = {
++  uint8_t srtp_plaintext[38] __attribute__((aligned(4))) = {
+     0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, 
+     0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab,
+     0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 
+     0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00, 
+     0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+   };
+-  uint8_t srtp_ciphertext[38] = {
++  uint8_t srtp_ciphertext[38] __attribute__((aligned(4))) = {
+     0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad, 
+     0xca, 0xfe, 0xba, 0xbe, 0x4e, 0x55, 0xdc, 0x4c,
+     0xe7, 0x99, 0x78, 0xd8, 0x8c, 0xa4, 0xd2, 0x15,