cmd: Make use of U_BOOT_LONGHELP when missing

After adding the U_BOOT_LONGHELP macro some new commands came in still
that were not making use if it. Switch these cases over and in a few
places add missing newlines as well.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/amd/versal2/cmds.c b/board/amd/versal2/cmds.c
index fbd9991..56ae39b 100644
--- a/board/amd/versal2/cmds.c
+++ b/board/amd/versal2/cmds.c
@@ -71,10 +71,9 @@
 	return cmd_process_error(cmdtp, ret);
 }
 
-static char versal2_help_text[] =
+U_BOOT_LONGHELP(versal2,
 	"loadpdi addr len - Load pdi image\n"
-	"load pdi image at ddr address 'addr' with pdi image size 'len'\n"
-;
+	"load pdi image at ddr address 'addr' with pdi image size 'len'\n");
 
 U_BOOT_CMD_WITH_SUBCMDS(versal2, "Versal Gen 2 sub-system", versal2_help_text,
 			U_BOOT_SUBCMD_MKENT(loadpdi, 3, 1,
diff --git a/board/freescale/common/cmd_esbc_validate.c b/board/freescale/common/cmd_esbc_validate.c
index d4192e5..3344653 100644
--- a/board/freescale/common/cmd_esbc_validate.c
+++ b/board/freescale/common/cmd_esbc_validate.c
@@ -63,14 +63,14 @@
 }
 
 /***************************************************/
-static char esbc_validate_help_text[] =
+U_BOOT_LONGHELP(esbc_validate,
 	"esbc_validate hdr_addr <hash_val> - Validates signature using\n"
 	"                          RSA verification\n"
 	"                          $hdr_addr Address of header of the image\n"
 	"                          to be validated.\n"
 	"                          $hash_val -Optional\n"
 	"                          It provides Hash of public/srk key to be\n"
-	"                          used to verify signature.\n";
+	"                          used to verify signature.\n");
 
 U_BOOT_CMD(
 	esbc_validate,	3,	0,	do_esbc_validate,
diff --git a/board/kontron/sl28/cmds.c b/board/kontron/sl28/cmds.c
index 7851361..0751477 100644
--- a/board/kontron/sl28/cmds.c
+++ b/board/kontron/sl28/cmds.c
@@ -172,8 +172,8 @@
 	return CMD_RET_FAILURE;
 }
 
-static char sl28_help_text[] =
-	"nvm [<hex>] - display/set the 16 non-volatile bits\n";
+U_BOOT_LONGHELP(sl28,
+	"nvm [<hex>] - display/set the 16 non-volatile bits\n");
 
 U_BOOT_CMD_WITH_SUBCMDS(sl28, "SMARC-sAL28 specific", sl28_help_text,
 			U_BOOT_SUBCMD_MKENT(nvm, 2, 1, do_sl28_nvm));
diff --git a/board/xilinx/versal-net/cmds.c b/board/xilinx/versal-net/cmds.c
index 4d52084..e8b669f 100644
--- a/board/xilinx/versal-net/cmds.c
+++ b/board/xilinx/versal-net/cmds.c
@@ -71,10 +71,9 @@
 	return cmd_process_error(cmdtp, ret);
 }
 
-static char versalnet_help_text[] =
+U_BOOT_LONGHELP(versalnet,
 	"loadpdi addr len - Load pdi image\n"
-	"load pdi image at ddr address 'addr' with pdi image size 'len'\n"
-;
+	"load pdi image at ddr address 'addr' with pdi image size 'len'\n");
 
 U_BOOT_CMD_WITH_SUBCMDS(versalnet, "Versal NET sub-system", versalnet_help_text,
 			U_BOOT_SUBCMD_MKENT(loadpdi, 3, 1,