Some files indirectly get "exec/tswap.h" declarations via
"exec/cpu-all.h". Include it directly to be able to remove
the former from the latter, otherwise we get:

  hw/xtensa/bootparam.h:40:16: error: call to undeclared function 'tswap16'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     40 |         .tag = tswap16(tag),
        |                ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241211230357.97036-9-philmd@linaro.org>
---
 hw/xtensa/bootparam.h | 1 +
 hw/xtensa/xtfpga.c    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/hw/xtensa/bootparam.h b/hw/xtensa/bootparam.h
index f57ff850bcb..4418c78d5bb 100644
--- a/hw/xtensa/bootparam.h
+++ b/hw/xtensa/bootparam.h
@@ -2,6 +2,7 @@
 #define HW_XTENSA_BOOTPARAM_H
 
 #include "exec/cpu-common.h"
+#include "exec/tswap.h"
 
 #define BP_TAG_COMMAND_LINE     0x1001  /* command line (0-terminated string)*/
 #define BP_TAG_INITRD           0x1002  /* ramdisk addr and size (bp_meminfo) */
diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c
index 398e6256e1d..2e264c61988 100644
--- a/hw/xtensa/xtfpga.c
+++ b/hw/xtensa/xtfpga.c
@@ -35,6 +35,7 @@
 #include "hw/qdev-properties.h"
 #include "elf.h"
 #include "exec/memory.h"
+#include "exec/tswap.h"
 #include "hw/char/serial-mm.h"
 #include "net/net.h"
 #include "hw/sysbus.h"
-- 
2.45.2