[PATCH v2] staging: ks7010: Fix build error

[YueHaibing]

when CRYPTO is m and KS7010 is y, building fails:

drivers/staging/ks7010/ks_hostif.o: In function `michael_mic.constprop.13':
ks_hostif.c:(.text+0x560): undefined reference to `crypto_alloc_shash'
ks_hostif.c:(.text+0x580): undefined reference to `crypto_shash_setkey'
ks_hostif.c:(.text+0x5e0): undefined reference to `crypto_destroy_tfm'
ks_hostif.c:(.text+0x614): undefined reference to `crypto_shash_update'
ks_hostif.c:(.text+0x62c): undefined reference to `crypto_shash_update'
ks_hostif.c:(.text+0x648): undefined reference to `crypto_shash_finup'

Add CRYPTO and CRYPTO_HASH dependencies to fix this.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: 8b523f20417d ("staging: ks7010: removed custom Michael MIC implementation.")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
v2: use 'depends on' instead of 'select'
---
 drivers/staging/ks7010/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/ks7010/Kconfig b/drivers/staging/ks7010/Kconfig
index 0987fdc..9d7cbc8 100644
--- a/drivers/staging/ks7010/Kconfig
+++ b/drivers/staging/ks7010/Kconfig
@@ -5,6 +5,7 @@ config KS7010
 	select WIRELESS_EXT
 	select WEXT_PRIV
 	select FW_LOADER
+	depends on CRYPTO && CRYPTO_HASH
 	help
 	  This is a driver for KeyStream KS7010 based SDIO WIFI cards. It is
 	  found on at least later Spectec SDW-821 (FCC-ID "S2Y-WLAN-11G-K" only,
-- 
2.7.4