am335x_hs_evm_spi_defconfig: Add MAINTAINERS entry

Add this to the existing entry for similar boards.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index f1fe19e..2050ae2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1649,6 +1649,7 @@
 F:	arch/arm/mach-omap2/config_secure.mk
 F:	arch/arm/mach-k3/security.c
 F:	configs/am335x_hs_evm_defconfig
+F:	configs/am335x_hs_evm_spi_defconfig
 F:	configs/am335x_hs_evm_uart_defconfig
 F:	configs/am43xx_hs_evm_defconfig
 F:	configs/am43xx_hs_evm_qspi_defconfig