[PATCH 1/1] s390/ipl: Fix missing arch_get_secureboot() prototype warning

[kernel test robot]

Hi Vasily,

kernel test robot noticed the following build errors:

[auto build test ERROR on v7.0-rc2]
[also build test ERROR on linus/master]
[cannot apply to next-20260306]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Vasily-Gorbik/s390-ipl-Fix-missing-arch_get_secureboot-prototype-warning/20260305-230453
base:   v7.0-rc2
patch link:    https://lore.kernel.org/r/p01-01.g9ec0a81d34d1.ttbfdx5%40ub.hpns
patch subject: [PATCH 1/1] s390/ipl: Fix missing arch_get_secureboot() prototype warning
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20260307/202603070500.3pafeTNF-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260307/202603070500.3pafeTNF-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603070500.3pafeTNF-lkp@intel.com/

All errors (new ones prefixed by >>):

>> arch/s390/kernel/ipl.c:24:10: fatal error: 'linux/secure_boot.h' file not found
      24 | #include <linux/secure_boot.h>
         |          ^~~~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +24 arch/s390/kernel/ipl.c

  > 24	#include <linux/secure_boot.h>
    25	#include <asm/asm-extable.h>
    26	#include <asm/machine.h>
    27	#include <asm/diag.h>
    28	#include <asm/ipl.h>
    29	#include <asm/smp.h>
    30	#include <asm/setup.h>
    31	#include <asm/cpcmd.h>
    32	#include <asm/ebcdic.h>
    33	#include <asm/sclp.h>
    34	#include <asm/checksum.h>
    35	#include <asm/debug.h>
    36	#include <asm/abs_lowcore.h>
    37	#include <asm/os_info.h>
    38	#include <asm/sections.h>
    39	#include <asm/boot_data.h>
    40	#include "entry.h"
    41	

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