Bluetooth: SMP: Fix build without signing support
Bluetooth: SMP: Fix build without signing support

Fix following error if BR/EDR support was build without signing
support enabled.

  CC      net/bluetooth/smp.o
zephyr/net/bluetooth/smp.c: In function 'smp_br_signing_info':
zephyr/net/bluetooth/smp.c:1166:13: error: 'struct bt_keys' has no
      member named 'remote_csrk'
  memcpy(keys->remote_csrk.val, req->csrk, sizeof(keys->remote_csrk.val));
             ^
zephyr/net/bluetooth/smp.c:1166:54: error: 'struct bt_keys' has no
      member named 'remote_csrk'
  memcpy(keys->remote_csrk.val, req->csrk, sizeof(keys->remote_csrk.val));
                                                      ^
Change-Id: I05393c1b2e12c9a66d8ad3e7906d3aa94a57b193
Signed-off-by: Szymon Janc <b8f563e108973ccd513fe259bc96c595c4d39939@tieto.com>

bboozzoo/zephyr,kraj/zephyr,holtmann/zephyr,zephyrproject-rtos/zephyr,holtmann/zephyr,finikorg/zephyr,nashif/zephyr,aceofall/zephyr-iotos,Vudentz/zephyr,holtmann/zephyr,rsalveti/zephyr,tidyjiang8/zephyr-doc,tidyjiang8/zephyr-doc,zephyrproject-rtos/zephyr,tidyjiang8/zephyr-doc,aceofall/zephyr-iotos,punitvara/zephyr,kraj/zephyr,rsalveti/zephyr,galak/zephyr,bigdinotech/zephyr,explora26/zephyr,runchip/zephyr-cc3200,ldts/zephyr,tidyjiang8/zephyr-doc,ldts/zephyr,rsalveti/zephyr,aceofall/zephyr-iotos,fbsder/zephyr,mbolivar/zephyr,sharronliu/zephyr,nashif/zephyr,erwango/zephyr,finikorg/zephyr,rsalveti/zephyr,explora26/zephyr,bigdinotech/zephyr,mbolivar/zephyr,sharronliu/zephyr,punitvara/zephyr,finikorg/zephyr,bboozzoo/zephyr,galak/zephyr,erwango/zephyr,zephyrproject-rtos/zephyr,runchip/zephyr-cc3220,sharronliu/zephyr,zephyrproject-rtos/zephyr,explora26/zephyr,galak/zephyr,Vudentz/zephyr,aceofall/zephyr-iotos,punitvara/zephyr,runchip/zephyr-cc3220,runchip/zephyr-cc3200,fbsder/zephyr,mbolivar/zephyr,fractalclone/zephyr-riscv,galak/zephyr,sharronliu/zephyr,fractalclone/zephyr-riscv,fractalclone/zephyr-riscv,runchip/zephyr-cc3200,runchip/zephyr-cc3200,mbolivar/zephyr,GiulianoFranchetto/zephyr,runchip/zephyr-cc3220,explora26/zephyr,GiulianoFranchetto/zephyr,sharronliu/zephyr,holtmann/zephyr,kraj/zephyr,fbsder/zephyr,Vudentz/zephyr,bigdinotech/zephyr,zephyrproject-rtos/zephyr,ldts/zephyr,bboozzoo/zephyr,holtmann/zephyr,kraj/zephyr,punitvara/zephyr,aceofall/zephyr-iotos,erwango/zephyr,tidyjiang8/zephyr-doc,pklazy/zephyr,galak/zephyr,kraj/zephyr,zephyriot/zephyr,mbolivar/zephyr,runchip/zephyr-cc3220,ldts/zephyr,bboozzoo/zephyr,ldts/zephyr,pklazy/zephyr,runchip/zephyr-cc3220,Vudentz/zephyr,zephyriot/zephyr,bigdinotech/zephyr,GiulianoFranchetto/zephyr,bigdinotech/zephyr,rsalveti/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,zephyriot/zephyr,finikorg/zephyr,erwango/zephyr,GiulianoFranchetto/zephyr,runchip/zephyr-cc3200,zephyriot/zephyr,fractalclone/zephyr-riscv,Vudentz/zephyr,zephyriot/zephyr,finikorg/zephyr,pklazy/zephyr,punitvara/zephyr,erwango/zephyr,Vudentz/zephyr,fractalclone/zephyr-riscv,pklazy/zephyr,explora26/zephyr,nashif/zephyr,bboozzoo/zephyr,pklazy/zephyr,fbsder/zephyr,nashif/zephyr,fbsder/zephyr