soc/amd/common/block/espi_util: drop unneeded check in espi_get_config

Since soc_get_common_config will either return a valid pointer or cause
a linking error, this function will also return a valid pointer or cause
a linking error, so no need for additional runtime checks.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I99661247b9f8f47a708e3a6ff3f9e5359b505509
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70739
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>

src/soc/amd/common/block/lpc/espi_util.c

@@ -374,10 +374,6 @@ enum cb_err espi_open_mmio_window(uint32_t base, size_t size)
 static const struct espi_config *espi_get_config(void)
 {
 	const struct soc_amd_common_config *soc_cfg = soc_get_common_config();
-
-	if (!soc_cfg)
-		die("Common config structure is NULL!\n");
-
 	return &soc_cfg->espi_config;
 }