plat: qti: Fix build failure

Fixed build failure due to the commit:905f93c7

 by removing
the inclusion of non-existent 'stdinit.h' file.
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I8e3ca69c016b7a2354c58c4d384a492631c36286

plat/qti/common/inc/qti_rng.h

@@ -7,7 +7,7 @@
 #ifndef QTI_RNG_H
 #define QTI_RNG_H
 
-#include <stdinit.h>
+#include <stdint.h>
 
 int qti_rng_get_data(uint8_t *out, uint32_t out_len);
 

plat/qti/common/src/qti_rng.c

@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: BSD-3-Clause
  */
 #include <stddef.h>
-#include <stdint.h>
 
 #include <lib/mmio.h>
 
+#include <qti_rng.h>
 #include <qti_rng_io.h>
 
 int qti_rng_get_data(uint8_t *out, uint32_t out_len)