Revert "wifi: mt76: Strip whitespace from build ddate"

This reverts commit f804a5895ebad2b2d4fb8a3688d2115926e993d5.

This change introduced the following panic, and mt792x_load_firmware()
fails. wifi is dead on systems with mt792x wireless.

kern :crit : kernel BUG at lib/string_helpers.c:1043!
kern :warn : Oops: invalid opcode: 0000 [#1] SMP NOPTI
kern :warn : CPU: 14 UID: 0 PID: 61 Comm: kworker/14:0 Tainted: G W
6.19.0-rc1 #1 PREEMPT(voluntary)
kern :warn : Tainted: [W]=WARN
kern :warn : Hardware name: Framework Laptop 13 (AMD Ryzen 7040Series)/FRANMDCP07, BIOS 03.16 07/25/2025
kern :warn : Workqueue: events mt7921_init_work [mt7921_common]
kern :warn : RIP: 0010:__fortify_panic+0xd/0xf
kern :warn : Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 40 0f b6 ff e8 c3 55 71 00 <0f> 0b 48 8b 54 24 10 48 8b 74 24 08 4c 89 e9 48 c7 c7 00 a2 d5 a0
kern :warn : RSP: 0018:ffffa7a5c03a3d10 EFLAGS: 00010246
kern :warn : RAX: ffffffffa0d7aaf2 RBX: 0000000000000000 RCX: ffffffffa0d7aaf2
kern :warn : RDX: 0000000000000011 RSI: ffffffffa0d5a170 RDI: ffffffffa128db10
kern :warn : RBP: ffff91650ae52060 R08: 0000000000000010 R09: ffffa7a5c31b2000
kern :warn : R10: ffffa7a5c03a3bf0 R11: 00000000ffffffff R12: 0000000000000000
kern :warn : R13: ffffa7a5c31b2000 R14: 0000000000001000 R15: 0000000000000000
kern :warn : FS: 0000000000000000(0000) GS:ffff91743e664000(0000) knlGS:0000000000000000
kern :warn : CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kern :warn : CR2: 00007f10786c241c CR3: 00000003eca24000 CR4: 0000000000f50ef0
kern :warn : PKRU: 55555554
kern :warn : Call Trace:
kern :warn : <TASK>
kern :warn : mt76_connac2_load_patch.cold+0x2b/0xa41 [mt76_connac_lib]
kern :warn : ? srso_alias_return_thunk+0x5/0xfbef5
kern :warn : mt792x_load_firmware+0x36/0x150 [mt792x_lib]
kern :warn : mt7921_run_firmware+0x2c/0x4a0 [mt7921_common]
kern :warn : ? srso_alias_return_thunk+0x5/0xfbef5
kern :warn : ? mt7921_rr+0x12/0x30 [mt7921e]
kern :warn : ? srso_alias_return_thunk+0x5/0xfbef5
kern :warn : ? ____mt76_poll_msec+0x75/0xb0 [mt76]
kern :warn : mt7921e_mcu_init+0x4c/0x7a [mt7921e]
kern :warn : mt7921_init_work+0x51/0x190 [mt7921_common]
kern :warn : process_one_work+0x18b/0x340
kern :warn : worker_thread+0x256/0x3a0
kern :warn : ? __pfx_worker_thread+0x10/0x10
kern :warn : kthread+0xfc/0x240
kern :warn : ? __pfx_kthread+0x10/0x10
kern :warn : ? __pfx_kthread+0x10/0x10
kern :warn : ret_from_fork+0x254/0x290
kern :warn : ? __pfx_kthread+0x10/0x10
kern :warn : ret_from_fork_asm+0x1a/0x30
kern :warn : </TASK>

Signed-off-by: Shuah Khan <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c

···
 	int i, ret, sem, max_len = mt76_is_sdio(dev) ? 2048 : 4096;
 	const struct mt76_connac2_patch_hdr *hdr;
 	const struct firmware *fw = NULL;
-	char build_date[17];
 
 	sem = mt76_connac_mcu_patch_sem_ctrl(dev, true);
 	switch (sem) {
···
 	}
 
 	hdr = (const void *)fw->data;
-	strscpy(build_date, hdr->build_date, sizeof(build_date));
-	build_date[16] = '\0';
-	strim(build_date);
 	dev_info(dev->dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
-		 be32_to_cpu(hdr->hw_sw_ver), build_date);
+		 be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
 
 	for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
 		struct mt76_connac2_patch_sec *sec;